SYBASE_IQ_QUICK Reference.pdf

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Sybase IQQuick Reference

Sybase IQ Release 11.2.x

Document ID: 36125-01-1121-02

Last Revised: September 19, 1997


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Principal author: AIPD Technical Publications

Document ID:36125-01-1121

This publication pertains to Sybase IQ Release 11.2.x of the Sybase databasemanagement software and to any subsequent version until otherwise indicated innew editions or technical notes. Information in this document is subject to changewithout notice. The software described herein is furnished under a licenseagreement, and it may be used or copied only in accordance with the terms of thatagreement.

Document Orders

To order additional documents, U.S. and Canadian customers should call

Customer Fulfillment at (800) 685-8225, fax (617) 229-9845.Customers in other countries with a U.S. license agreement may contact CustomerFulfillment via the above fax number. All other international customers shouldcontact their Sybase subsidiary or local distributor.

Upgrades are provided only at regularly scheduled software release dates.

Copyright 19891997 by Sybase, Inc. All rights reserved.

No part of this publication may be reproduced, transmitted, or translated in anyform or by any means, electronic, mechanical, manual, optical, or otherwise,without the prior written permission of Sybase, Inc.

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All other company and product names used herein may be trademarks orregistered trademarks of their respective companies.

Restricted Rights

Use, duplication, or disclosure by the government is subject to the restrictions setforth in subparagraph (c)(1)(ii) of DFARS 52.227-7013 for the DOD and as set forthin FAR 52.227-19(a)-(d) for civilian agencies.

Sybase, Inc., 6475 Christie Avenue, Emeryville, CA 94608.


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Sybase IQ Quick Reference v

Table of Contents

Commands

CASE Expression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

FROM Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

GROUP BY Clause. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

HAVING Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

IQ ADD SEGMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

IQ ALTER INDEXSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

IQ BACKUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

IQ CLOSE INDEXSPACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3IQ CREATE INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

IQ CREATE INDEXSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

IQ CREATE INDEXSPACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

IQ CREATE INDEXSPACE TEMPLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

IQ CREATE JOINED INDEXSET. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

IQ DBCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

IQ DELETE FROM INDEXSET. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

IQ DROP INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

IQ DROP INDEXSET. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

IQ DROP INDEXSPACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

IQ DROP JOINED INDEXSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

IQ DROP SEGMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

IQ INSERT INTO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

IQ INSERT INTO JOINED INDEXSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

IQ PASS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

IQ RESTORE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

IQ SET (Administration). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

IQ SET (Query Processing) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

IQ SHOW INDEXSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

IQ SHOW INDEXSET INDEXES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

IQ SHOW INDEXSET JOINED INDEXSETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

IQ SHOW INDEXSPACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

IQ SHOW INDEXSPACE INDEXES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15IQ SHOW INDEXSPACE JOINED INDEXSETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

IQ SHOW SET VALUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

IQ SHOW...SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16


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IQ STATUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

ORDER BY Clause. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Query Expression. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Search Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

SELECT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

SHUTDOWN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

USE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

WHERE Clause. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Stored Procedures

sp_IQAddLogin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

sp_IQAddLogins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

sp_IQDropBadSegment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

sp_IQDropLogin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

sp_IQDropLoginAnyUser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

sp_IQDropLogins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

sp_IQDropLoginsAnyDB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

sp_IQEstJoin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

sp_IQEstSegments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

sp_IQEstSpace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

sp_IQRenameIndexSpace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

sp_IQRenamePath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

sp_IQRestartHungIndexSpace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22sp_IQSetSharedMemory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

sp_IQShowBadLogins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

sp_IQShowFileFormat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

sp_IQShowFileFormatSp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

sp_IQShowFileFormatSys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

sp_IQShowHungIndexSpaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

sp_IQShowIndexSegments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

sp_IQShowIndexSpaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

sp_IQShowLogins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

sp_IQShowUsers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Functions

AVG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

CAST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

CONVERT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25


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COUNT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

COUNT(*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

DATEADD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

DATEDIFF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

DATEPART. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

DIFFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

LEFT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

LENGTH or DATALENGTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

LOWER or LCASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

LTRIM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

MAX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

MIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28RIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

ROUND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

RTRIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

SIMILAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

SOUNDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

STRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

SUBSTRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

SUM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

SUSER_ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

SUSER_NAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

TRIM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

UPPER or UCASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31


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2 Commands

HAVING Clause Sybase IQ Release 11.2.x

You can group a indexset by a single column or by a list of columns.If aggregate functions are included in the select list, GROUP BYalsofinds a summary value(s) for each group. These summary valuesappear as new columns in the results.

Syntax

[GROUP BY

[[indexspace].][[owner].][indexset_name.]

column_name

[, [[indexspace].][[owner].][indexset_name.]

column_name]...

HAVING Clause

Restricts the groups you retrieve in the GROUP BYclause based on thespecified search condition.

Syntax

[HAVINGsearch_condition]

IQ ADD SEGMENT

Creates additional segments across multiple operating system filesor partitions for either an existing Sybase IQ indexspace or the

transaction image data to add more free space and allow formultivolume support.

Syntax

IQ ADD SEGMENT FORindexspace_name,

PATHNAME = "path_name"

[, {INDEXSPACE | TRANSACTIONIMAGE

[, {PREALLOCATE | AUTOALLOCATE}]}]

[, {RAW | FILE [, SIZE =#_of_blocks]}]

IQ ALTER INDEXSET

Adds columns to or drops a column from an existing indexset. Thechanges are propagated to all joined indexsets that include thatindexset.


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4 Commands

IQ CREATE INDEX Sybase IQ Release 11.2.x

IQ CREATE INDEX

Adds an index to a column in an indexset of the given index type.

Syntax

IQ CREATE [UNIQUE] INDEX

[[[indexspace].][owner].]index_nameON

[[[indexspace].][owner].]indexset_name

(column_name)index_type

[[WITH] [insert_load_option]

[, insert_load_option]...]

[CREATE [UNIQUE] INDEX

[[[indexspace].][owner].]index_nameON[[[indexspace].][owner].]indexset_name

(column_name)index_type

[[WITH] [insert_load_option]

[, insert_load_option]...]]...

IQ CREATE INDEXSET

Creates a Sybase IQ indexset and defines all the columns that are partof that indexset.

This indexset must have an underlying database table of the samename. The Sybase IQ indexset can have fewer columns than the

underlying table, but it cannot have any columns that are unknownto the underlying table.

When you create a Sybase IQ indexset, Sybase IQ automaticallycreates anIQ_ROWIDcolumn in the indexset to be used for recordnumber reference.

Syntax

IQ CREATE INDEXSET FOR


(column_name datatype[{NULL | NOT NULL}]

[,column_name datatype[{NULL | NOT NULL}]]...)

IQ CREATE INDEXSPACE

Creates a new Sybase IQ indexspace, which contains the datadefinitions and data for Sybase IQ indexes. An underlying database


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Sybase IQ Quick Reference 5

Sybase IQ Release 11.2.x IQ CREATE INDEXSPACE TEMPLATE

of the same name must already exist for this command for it to beexecuted successfully.

There are two classes of indexspace:

Main indexspace

Private indexspace (personal read/write indexspace)

The IQ CREATE INDEXSPACEcommand creates a preallocatedindexspace that can be used as a main or private indexspace.

Syntax

IQ CREATE INDEXSPACE FORindexspace_name,

PATHNAME="path_name"

[, {RAW [, SIZE=#_of_blocks] | [FILE,]

SIZE=#_of_blocks}]

[, BLOCKSIZE =power_of_2_from_512_to_32K]

[, MAXCOMPRESSION =power_of_2_from_2_to_16]

[, FLPATHNAME = "path_name"]

[, LOGPATHNAME = "path_name"]

{[, TIPATHNAME = "path_name" [, TIRAW]] |

[, TIPATHNAME = path_name] [, TIFILE]

[, {TIAUTOALLOCATE | TIPREALLOCATE}]

[, TISIZE = #]}

[, SHMEMMB =#_of_MB_in_main_buffer_cache]

[, TEMPSHMEMMB =#_of_MB_in_private_buffer_cache]

IQ CREATE INDEXSPACE TEMPLATE

Builds a script that can be used to create a new Sybase IQ indexspacewhich contains the indexsets, column indexes, and data definitionsfor Sybase IQ indexes, based on an underlying database of the samename. This script builds an indexspace to match the underlyingdatabase.

This script can be modified and used as input to the Sybase IQcommand line.

Syntax

IQ CREATE INDEXSPACE TEMPLATE

[FOR [[[database].][owner].]table_name],PATHNAME=filename [, APPEND]


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6 Commands

IQ CREATE JOINED INDEXSET Sybase IQ Release 11.2.x

IQ CREATE JOINED INDEXSET

Creates a Sybase IQ joined indexset, a group of indexsets that areprejoined, to improve performance on queries against multipleindexsets in the same indexspace.

Syntax

IQ CREATE JOINED INDEXSET

[[[indexspace].][owner].]joined_indexset_name

FOR [[[indexspace].][owner].]indexset_name

(join_field[,join_field]...]) =

[[[indexspace].][owner].]indexset_name(join_field

[,join_field]...])join_relationship

[, [[[indexspace].][owner].]indexset_name

(join_field[,join_field]...]) =

[[[indexspace].][owner].]indexset_name(join_field

[,join_field]...])join_relationship...

IQ DBCC

Checks every block in the indexspace and saves the information inthe current session until the next IQ DBCC CHECKDBcommand isissued. The information can be displayed by using IQ SHOWINDEXSPACE STATS.

SyntaxIQ DBCC [{MAIN | PRIVATE}] CHECKDB

IQ DELETE FROM INDEXSET

Deletes rows from a single indexset.

Syntax

IQ DELETE FROM INDEXSET


[WITHdelete_load_option[,delete_load_option]...]

[WHEREsearch_condition]

IQ DROP INDEX

Drops a column index from the indexspace.


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Sybase IQ Release 11.2.x IQ DROP INDEXSET

Syntax

IQ DROP INDEX [[[indexspace].][owner].]index_name

[, [[[indexspace].][owner].]index_name]...

IQ DROP INDEXSET

Deletes an indexset and its column indexes.

Syntax

IQ DROP INDEXSET FOR


IQ DROP INDEXSPACE

Deletes an indexspace and its contents. Removes files for theindexspace and modifies the sysIQ_* tables.

Syntax

IQ DROP INDEXSPACE FORindexspace_name

IQ DROP JOINED INDEXSET

Deletes a joined indexset from the indexspace.

Syntax

IQ DROP JOINED INDEXSET


IQ DROP SEGMENT

Drops the last segment of a Sybase IQ indexspace.

Syntax

IQ DROP SEGMENT FORindexspace_name

[, {INDEXSPACE | TRANSACTIONIMAGE}]


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8 Commands

IQ INSERT INTO Sybase IQ Release 11.2.x

IQ INSERT INTO

Inserts new data into Sybase IQ indexset columns. When you insertdata into a column in a Sybase IQ indexset, Sybase IQ inserts datainto all the column indexes that exist for that column of the indexset.

You can insert data from four sources:

Direct input, indicating specific values row by row

Other Sybase IQ indexed data in the main indexspace orassociated preallocated private indexspaces

A table in an underlying database

One or more flat files

For large volume loads, the last two sources are recommended.

Syntax

IQ INSERT INTO INDEXSET


({column_name[insert_conversion_option

[,insert_conversion_option]...]

| FILLER(field_descriptor)}

[, {column_name[insert_conversion_option


| FILLER(field_descriptor)}]...)

[[WITH]insert_load_option


{row-value-clause|table-or-indexset-clause|

flat-file-clause}

insert_conversion_option=

{ASCII (field_descriptor)

| DATE ('input_date_format')

| DATETIME ('input_date/time_format')

| NULLS ({BLANKS | ZEROS | 'literal'

[, 'literal']...})}

field_descriptor=

{input_width| PREFIX1 | PREFIX2 | PREFIX4

| 'delimiter_string'}


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Sybase IQ Release 11.2.x IQ INSERT INTO JOINED INDEXSET

insert_load_option=

{BLOCKFACTOR =#

| BLOCKSIZE =#

| BYTEORDER = {NATIVE | HIGHORDER | LOWORDER}

| LIMIT =max_#_of_records_to_read

| MBSORT =#_of_MB_memory_for_sort

| NOTIFY =notify_every_#_of_rows

| ONFILEERROR = {ROLLBACK | COMMIT | CONTINUE}

| PREVIEW

| ROWTERMINATOR = 'delimiter_string'

| SKIP =#_of_rows_to_skip

| STARTRECID =#}

row-value-clause=

VALUES (value[, value]...)

table-or-indexset-clause=

[USING ATTACHED [{DATABASE | DB}]]SELECT-statement

flat-file-clause=

USING 'input_file'[, 'input_file']...

IQ INSERT INTO JOINED INDEXSET

Inserts data into a Sybase IQ joined indexset. You insert data into ajoined indexset for all the indexsets in the join relationship. With theIQ INSERT INTO JOINED INDEXSETcommand, you can insert data into ajoined indexset from three sources:

Other Sybase IQ indexed data in the main indexspace orassociated preallocated private indexspaces

A table in an underlying database

One or more flat files

Use a separate IQ INSERT INTO JOINED INDEXSETstatement for eachindexset, except for the indexset at the top of the join hierarchy,which automatically uses the data from its indexset column indexes.(Sybase IQ tells you which is the top indexset in the join hierarchywhen you create the joined indexset; see the discussion later in thiscommand and in the IQ CREATE JOINED INDEXSETcommand for moreinformation.)


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10 Commands

IQ INSERT INTO JOINED INDEXSET Sybase IQ Release 11.2.x

Syntax

IQ INSERT INTO JOINED INDEXSET




[,insert_load_option]...]

{table-or-indexset-clause|flat-file-clause}

insert_load_option=

{BLOCKFACTOR =#

| BLOCKSIZE =#

| BYTEORDER = {NATIVE | HIGHORDER | LOWORDER}

| LIMIT =max_#_of_records_to_read

| MBSORT =#_of_MB_memory_for_sort

| NOTIFY =notify_every_#_of_rows| ONFILEERROR = {ROLLBACK | COMMIT | CONTINUE}

| PREVIEW

| ROWTERMINATOR = 'delimiter_string'

| SKIP =#_of_rows_to_skip

| STARTRECID =#}

table-or-indexset-clause=

[USING ATTACHED [{DATABASE | DB}]]SELECT-statement

flat-file-clause=

USING 'input_file'[, 'input_file']...

({column_name[insert_conversion_option


| FILLER(field_descriptor)}

[, {column_name[insert_conversion_option [,insert_conversion_option]...]

| FILLER(field_descriptor)}]...)



insert_conversion_option=

{ASCII (field_descriptor)

| DATE ('input_date_format')

| DATETIME ('input_date/time_format')

| NULLS ({BLANKS | ZEROS | 'literal'

[, 'literal']...})}

field_descriptor=

{input_width| PREFIX1 | PREFIX2 | PREFIX4

| 'delimiter_string'}


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Sybase IQ Release 11.2.x IQ PASS

IQ PASS

Sybase IQ ignores the string that follows the PASSkeyword andpasses it through to SQL Server for processing.

Syntax

IQ PASSrest_of_line

IQ RESTORE

Restores a Sybase IQ indexspace and associated catalog information(full restore) or the indexspace only (partial restore). You can also usethis command to display the header information for the indexspacewithout performing any restore operation. You must be either theDatabase Owner or have 'sa' role to use this statement.

Each backup set includes at least three different archive media(tapes, for example):

One or more for indexspace files (segments and Free List files)

One or more for the Backup Server archive (the catalog tables)

One for the IQ MASTER archive (header files that describe theindexspace backed up)

A full restore prompts you to mount the IQ MASTER archive first,then the Backup Server archive, followed by archive(s) containing

indexspace data in any order. A partial restore prompts you to mountthe IQ MASTER archive first, then the archive(s) containingindexspace data in any order.

Syntax

IQ RESTORE INDEXSPACEindexspace_name

FROM {archive_deviceHEADERONLY |

archive_device[FROMarchive_device]...

[FILEoldpath[TOnewpath]]...}

IQ SET (Administration)

Used to reset Sybase IQ default settings. For some options, you canspecify the SERVERDEFAULTkeyword with the IQ SETcommand, whichsaves the value in the SQL Server table11sysIQ_controlas apersistent, server-wide default value. When no keyword or the


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12 Commands

IQ SET (Administration) Sybase IQ Release 11.2.x

SESSIONkeyword is given, the IQ SETcommand only affects thecurrent session.

All IQ SEToptions have a security level (choices are SystemAdministrator, Database Owner, and PUBLIC) assigned with them.For example, you must have the System Administrator role tospecify a SERVERDEFAULToption.

Syntax

IQ SET

{[SERVERDEFAULT | SESSION]server_session_options |

[SESSION]session_only_options}

server_session_options=

{DATEFORMATOUTPUTdate_format|

DATETIMEFORMATOUTPUTdatetime_format|

DDLINFO {ON | OFF} |

DISKSTRIPING {ON | OFF | RAWDETECT} |

INFOMESSAGES {ON | OFF} |

KEEPOPENIQLOG {ON | OFF} |

MBSORT#_of_MB_mem_for_sort|

OPTIMIZEFORTHISMANYUSERS#_of_users|

OUTOFDISKMSGREPEATrepeat_msg_every_seconds|

OUTOFDISKWAITTIMEseconds_to_wait|

QUERYINFO {ON | OFF} |

REMOVEINDEXSPACELOG {ON | OFF} |

SHMEMMB#_MB_for_main_buffer_cache|

STRIPINGDENSITY#_of_stripes|

SYSTEMSHMMAX#_of_MB|SYSTEMSHMSEGmax_segments|

TEMPSHMEMMB#_MB_for_private_buffer_cache|

TRACKEXCESSREADS {ON | OFF}}

USERETRYMSGREPEAT#_of_times|

USERETRYWAITTIME#_of_seconds}


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Sybase IQ Release 11.2.x IQ SET (Query Processing)

session_only_options=

{BLOCKFACTOR#_of_records_per_block|

BLOCKSIZE#_of_bytes_per_block|

COMMIT#_of_commits_for_delete|

ESTIMATEDRECORDCOUNT#_of_records|

INSERTNUMMTBUFFERS#_of_buffers|

INSERTNUMROWSPERBUFFER#_of_rows|

IQ {ON | OFF | ONLY} |

LIMITmax_#_of_records_to_read|

MAXWARNINGSmax_#_of_warnings|

NOTIFYnotify_every_#_of_rows|

PREVIEW |

SHOWELAPSEDTIME {ON | OFF} |

SKIP#_of_rows_to_skip|

STARTRECIDrow_record_id_#|SUPPORTALL8BITCHAR {ON | OFF}}

IQ SET (Query Processing)

Sets query processing options for Sybase IQ and/or SQL Server forthe duration of the work session. Can be used to set some optionsinside a trigger or stored procedure. Those options that requiresystem privileges are described in IQ SET (Administration) onpage -11.

Syntax

IQ SET{[SERVERDEFAULT | SESSION]server_session_options |

[SESSION]session_only_options}

server_session_options=

{AGGREGATIONCUTOFFprecision_#|

{INFOMESSAGES {ON | OFF}

JOINOPTIMIZATION {ON | OFF} |

JOINORDERLEFTDEEP {ON | OFF} |

KEEPOPENIQLOG {ON | OFF} |

MAXCARTESIANRESULT#_of_rows|

SHOWIQROWID {ON | OFF}}

session_only_options=

{ANSINULL {ON | OFF} |

ARITHABORT [{ARITH_OVERFLOW | NUMERIC_TRUNCATION}] {ON | OFF} |

ARITHIGNORE [ARITH_OVERFLOW] {ON | OFF} |

NOEXEC {ON | OFF} |

ROWCOUNT#_of_rows}


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14 Commands

IQ SHOW INDEXSET Sybase IQ Release 11.2.x

IQ SHOW INDEXSET

Displays information about the named indexset. The informationincludes the column names, the datatypes, the column length,precision, scale, whether or not the column allows NULLs, and so on.

Syntax

IQ SHOW INDEXSET FOR


IQ SHOW INDEXSET INDEXES

Displays information about indexes on the columns in the specifiedindexset. The information includes the index names, type of index,column names, and uniqueness setting.

Syntax

IQ SHOW INDEXSET {INDEXES | INDICES}


IQ SHOW INDEXSET JOINED INDEXSETS

Displays information about the joined indexsets associated with thespecified indexset. The information includes the name and joinrelationships of each joined indexset.

Syntax

IQ SHOW INDEXSET JOINED INDEXSETS


IQ SHOW INDEXSPACE

Displays information about the indexspace you are using. Theinformation includes the name of the indexspace and a listing of theindexsets that are part of that indexspace. The table listing includesthe creation and last update time of and the number of columns ineach indexset.


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Sybase IQ Release 11.2.x IQ SHOW INDEXSPACE INDEXES

Syntax

IQ SHOW [{PRIVATE | MAIN}]

{INDEXSETS | INDEXSPACE [STATS | STATISTICS]}

IQ SHOW INDEXSPACE INDEXES

Displays information about the column indexes associated with theSybase IQ indexspace you are using. The information includes thename and type of each index, the indexsets and columns from whichthey are derived, and other data such as uniqueness.

Syntax

IQ SHOW [{PRIVATE | MAIN}] [{INDEXSPACE | INDEXSETS}]

{INDEXES | INDICES}

[[[[indexspace].][owner].]indexset_name]

IQ SHOW INDEXSPACE JOINED INDEXSETS

Displays information about the joined indexsets associated with theSybase IQ indexspace you are using. The information includes thename and join relationships of each joined indexset.

Syntax

IQ SHOW [{PRIVATE | MAIN}] [{INDEXSPACE | INDEXSETS}]JOINED {INDEXSET | INDEXSETS}

[[[[indexspace].][owner].]joined_indexset_name]

IQ SHOW SET VALUES

Displays an alphabetized list of theIQ SETcommand options andtheir values.

Syntax

IQ SHOW SET VALUES


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16 Commands

IQ SHOW...SIZE Sybase IQ Release 11.2.x

IQ SHOW...SIZE

Displays the size, in blocks, of the specified indexspace object. Theobject can be a column index, a joined indexset, an indexset, or anindexspace.

Syntax

IQ SHOW INDEX SIZEindex_name

IQ SHOW INDEXSET SIZE


IQ SHOW JOINED INDEXSET SIZE

[[[indexspace].][owner].]join_index_name

IQ SHOW [{PRIVATE | MAIN}] INDEXSPACE SIZE

IQ STATUS

Shows information about the current indexspace (for any you openwith the USEcommand), including the release of Sybase IQ invoked,the indexspace name, creation date, blocksize, number of blocksused, buffers used, number of segments, private indexspace name,

transaction image files (if the indexspace is open RW), and themaximum TI block usage.

Syntax

IQ STATUS

ORDER BY Clause

Sorts the result table output from a SELECTstatement by column.


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Sybase IQ Release 11.2.x Query Expression

Syntax

[ORDER BY

{[[[indexspace].][owner].indexset_name.]column_name

|select_list_number} [ASC | DESC]

[, {[[[indexspace].][owner].indexset_name.]

column_name]

|select_list_number} [ASC | DESC]]...

Query Expression

An expression (consisting of one or more query specifications) thatcan be used in IQ DELETE, IQ INSERT, or SELECTstatements. The query

expression creates a virtual table to be retrieved from or stored in theindexspace. The query expression differs from the SELECTstatementin that it cannot be used by itself and it is allowed to return more thanone row.

Syntax

{query_expression| (SELECT_statement)}

[UNION [ALL] {query_expression|

(SELECT_statement)}]...

[ORDER BY clause]

Search Conditions

Combines predicates used with the logical operators (AND, ORandNOT) to filter the rows or groups returned by the correspondingWHERE, GROUP BY,or HAVINGclause. Search conditions help defineSELECTstatement criteria.

Syntax

predicate=

{[NOT]search_condition

|search_conditionANDsearch_condition

|search_conditionORsearch_condition}

SELECTRetrieves rows and columns from indexsets in the indexspace. Usethe SELECTcommand to perform queries in interactive Sybase IQ.


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18 Commands

SHUTDOWN Sybase IQ Release 11.2.x

Syntax

SELECT [ALL | DISTINCT]select_list

FROM clause

[WHERE clause]

[GROUP BY clause]

[HAVING clause]

[ORDER BY clause]

SHUTDOWN

Exit Sybase IQ and pass the shutdowncommand to the SQL Server.This command can only be issued by a System Administrator.

Syntax

SHUTDOWN [with {wait | nowait}]

USE

Opens the attached indexspace and corresponding Sybase IQindexspace, if one exists, for use.

The attached database is opened for read/write use by default.Parameters read from thesysIQ_loginstable control how the SybaseIQ indexspace will be opened.

Syntax

USEindexspace_name

WHERE Clause

Sets the conditions for the rows that are retrieved by a SELECTstatement.

Syntax

[WHEREsearch_condition]


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0.


Stored Procedures 0.

sp_IQAddLogin

Adds or modifies an entry in theIQmaster..sysIQ_loginstable. Thisprocedure grants usage permissions to a user login for a particularindexspace.

Syntax

sp_IQAddLoginname,dbname,rwdbname,nbuffers,

ntmpbuffers,logfile,attacheddb,

attacheddbserver,attacheddbservertype,accessmode

sp_IQAddLogins

Adds or modifies an entry in theIQmaster..sysIQ_loginstable for aparticular main indexspace and group(s) of users.

Syntax

sp_IQAddLoginsgrpname,dbname,rwdbname,nbuffers,

ntmpbuffers,logfile,attacheddb,

attacheddbserver,attacheddbservertype,accessmode

sp_IQDropBadSegment

Removes the highest numbered segment from the specifiedindexspace, if the segment is corrupted.

Syntax

sp_IQDropBadSegmentdbname

sp_IQDropLogin

Removes an entry in theIQmaster..sysIQ_logins table for a user on a

particular indexspace.

Syntax

sp_IQDropLoginname,dbname


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Sybase IQ Release 11.2.x sp_IQEstSegments

sp_IQEstSegments

Estimates the number of segments to create for the initial build of theindexspace, and the size of each segment, based on the size of theunderlying database and specified restrictions on segment size.

Syntax

sp_IQEstSegmentsidx_size[,block_size[,min_size

[,max_size]]]

sp_IQEstSpace

Estimates the amount of space that an index will require, based onthe number of rows in the tables in the underlying database. Thiscommand includes some of the same information shown bysp_IQEstSegment.

Syntax

sp_IQEstSpacetabname, num_rows [, block_size]

sp_IQRenameIndexSpace

Renames an IQ object by updating_DBNamewith the new objectname in all Sybase IQ tables.

Syntax

sp_IQRenameIndexSpaceoldname, newname

sp_IQRenamePath

Renames a partial substring or an absolute path name to allow thesystem catalog to point to Sybase IQ files (such as indexspace and.TIfiles) that you have moved.

Syntax

sp_IQRenamePathindexspace_name,"oldpath", "newpath"


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22 Stored Procedures

sp_IQRestartHungIndexSpace Sybase IQ Release 11.2.x

sp_IQRestartHungIndexSpace

Restarts an indexspace that is hung because it was out of disk spaceUse this procedure after disk space has been provided.

Syntax

sp_IQRestartHungIndexSpacedbname

sp_IQSetSharedMemory

Alters the buffer cache shared memory settings for an existingSybase IQ indexspace. The new settings take effect the next time ashared segment is created. It will not affect current users of theindexspace.

Syntax

sp_IQSetSharedMemoryindexspacename,shmemmb_value,

tempshmemmb_value

sp_IQShowBadLogins

Shows entries inIQmaster..sysIQ_loginsthat are unusable. Unusableentries might result, for example, if the indexspace or user no longerexists.

Syntax

sp_IQShowBadLogins

sp_IQShowFileFormat

Shows current file format (revision level) of Sybase IQ files.

Syntax

sp_IQShowFileFormat


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Sybase IQ Release 11.2.x sp_IQShowFileFormatSp

sp_IQShowFileFormatSp

Shows current file format (revision level) of Sybase IQ storedprocedures.

Syntax

sp_IQShowFileFormatSp

sp_IQShowFileFormatSys

Shows current file format (revision level) of Sybase IQ system tables.

Syntax

sp_IQShowFileFormatSys

sp_IQShowHungIndexSpaces

Shows the names of indexspaces that are hung because they are outof disk space.

Syntax

sp_IQShowHungIndexSpaces

sp_IQShowIndexSegments

Shows all segments for a particular indexspace.

Syntax

sp_IQShowIndexSegments dbname

sp_IQShowIndexSpaces

Shows all indexspaces in the catalog and their in use status,including whether they are hung.

Syntax

sp_IQShowIndexSpaces


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24 Stored Procedures

sp_IQShowLogins Sybase IQ Release 11.2.x

sp_IQShowLogins

Shows all active login records for existing indexspaces.

Syntax

sp_IQShowLogins

sp_IQShowUsers

Shows all active users of Sybase IQ which indexspaces they areusing, lock mode, and where they are connected from.

Syntax

sp_IQShowUsers


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0.


Functions 0.

AVG

Returns the average value of argument. NULL values are notincluded. AVGis valid for integer and floating point datatypes.

Syntax

AVG([ALL | DISTINCT]argument)

CAST

Used in the WHEREclause or select list of a SELECTstatement toconvert one datatype to another. It can also be used to obtain avariety of date/time formats if you convertDATEorDATETIMEcolumns toCHARorVARCHAR.

Syntax

CAST ( AS [,"datestyle"])

CONVERT

This function can change expressions from one datatype to anotherand specify new display formats for date/time information. It can beused in the select list, in the whereclause, and anywhere else anexpression is allowed.

Syntax

CONVERT (datatype[(length) | (precision[,scale])],

expression[,style])

COUNT

Returns the number of rows that satisfies the query. Rows with

NULL values in the specified column are not included.

Syntax

COUNT([ALL | DISTINCT]argument)


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26 Functions

COUNT(*) Sybase IQ Release 11.2.x

COUNT(*)

Returns the number of rows that satisfies the query, including nullsand duplicates.

Syntax

COUNT(*)

DATEADD

Adds an interval to a specified date and returns a datetime valueequal to the date plus the number of date parts.

Syntax

DATEADD(datepart,integer_expression, date_expression)

DATEDIFF

Returns the number of date parts between two specified dates.

Syntax

DATEDIFF(datepart,date_expression 1,

date_expression 2)

DATEPART

Returns an integer value for the specified date part (the firstargument) of the specifiedDATEorDATETIMEvalue (the secondargument).

Syntax

DATEPART(datepart,value_expression)


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Sybase IQ Release 11.2.x DIFFERENCE

DIFFERENCE

Returns an integer representing the difference between two SOUNDEXvalues.

Syntax

DIFFERENCE(char_expr1, char_expr2)

LEFT

Returns the leftmost number of characters (defined byinteger_expr)from a character expression (defined bychar_expr). Return value hasthe same datatype as the character expression.

Syntax

LEFT(char_expr, integer_expr)

LENGTH or DATALENGTH

Returns the length in bytes of the character expression.

Syntax

LENGTH(char_expr)

DATALENGTH(char_expr)

LOWER or LCASE

Converts uppercase to lowercase, returning a character value.

Syntax

LOWER(char_expr)

LCASE(char_expr)


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28 Functions

LTRIM Sybase IQ Release 11.2.x

LTRIM

Removes leading blanks from the character expression. Only valuesequivalent to the space character in the current character set areremoved.

Syntax

LTRIM(char_expr)

MAX

Returns the maximum value ofargument. NULL values are notincluded. MAXis valid for integer and number type fields, character,floating point, and date/time columns. With character columns,MAXfinds the highest value in the sort sequence. TheDISTINCToption is notused with MAX, because it is not meaningful in this context.

Syntax

MAX(argument)

MIN

Returns the minimum value ofargument.NULL values are notincluded. MINis valid for integer and number type fields, character,floating point, and date/time columns. With character columns, MINfinds the lowest value in the sort sequence. TheDISTINCToption is notused with MIN, because it is not meaningful in this context.

Syntax

MIN(argument)

RIGHT

Returns the rightmost number of characters (defined by integer_expr)from a character expression (defined bychar_expr). Return value has

the same datatype as the character expression.

Syntax

RIGHT(char_expr, integer_expr)


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Sybase IQ Release 11.2.x ROUND

ROUND

Rounds a numeric expression (up or down) so that it has thespecifiedinteger_expression number of significant digits.

Syntax

ROUND(numval_expression,integer_expression)

RTRIM

Removes trailing blanks. Only values equivalent to the spacecharacter in the current character set are removed.

Syntax

RTRIM(char_expr)

SIMILAR

Returns an integer between 0 and 100 representing (in percentage)the similarity between the two strings.

Syntax

SIMILAR(char_expr1, char_expr2)

SOUNDEX

Returns a four-character soundex code for character strings that arecomposed of a contiguous sequence of valid single-byte romanletters.

Syntax

SOUNDEX(char_expr)


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Sybase IQ Release 11.2.x SUSER_NAME

SUSER_NAME

Used in the select list or WHEREclause of a SELECTstatement to returnthe ID number and login name of the server user fromsyslogins.

Syntax

SUSER_NAME ([server_user_id])

TRIM

Removes leading andtrailing blanks. Only values equivalent to thespace character in the current character set are removed

Syntax

TRIM(char_expr)

UPPER or UCASE

Converts lowercase to uppercase, returning a character value.

Syntax

UPPER(char_expr)

UCASE(char_expr)


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32 Functions

UPPER or UCASE Sybase IQ Release 11.2.x

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