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COMPUTER SCIENCE BY Vivek Pandey Database-SQL
COMPUTER SCIENCE
BY Vivek Pandey
Database-SQL
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• COMPUTER AWERNESS FOR BANK11:00 AM
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DATE-5-July -2020
BASIC COMPUTER-11:00 AM TO 1:00 PM
ADVANCE COMPUTER –18:30 PM TO 20:30 PM
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Create a employee table .
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CREATE TABLE Employee (
EMP_ID INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
FIRST_NAME CHAR(25),LAST_NAME CHAR(25),SALARY INT(15),JOINING_DATE DATETIME,DEPARTMENT CHAR(25)
);
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EMP_ID FIRST_NAME LAST_NAME SALARY DEPARTMENT JOINING DATE
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INSERT INTO EMPLOYEE
(EMP_ID, FIRST_NAME, LAST_NAME, SALARY, JOINING_DATE, DEPARTMENT) VALUES
(001, ‘VIVEK', ‘PANDEY', 100000, '14-03-20 ', 'HR'),(002, ‘VIKASH', 'Verma', 80000, '14-06-11 ', 'Admin'),(003, 'Vishal', 'Singhal', 300000, '14-02-20 ', 'HR'),
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INSERT INTO EMPLOYEE
(EMP_ID, FIRST_NAME, LAST_NAME, SALARY, JOINING_DATE, DEPARTMENT) VALUES
(001, ‘VIVEK', ‘PANDEY', 100000, '14-03-20 ', 'HR'),(002, ‘VIKASH', 'Verma', 80000, '14-06-11 ', 'Admin'),(003, 'Vishal', 'Singhal', 300000, '14-02-20 ', 'HR'),
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EMP_ID FIRST_NAME LAST_NAME SALARY DEPARTMENT JOINING DATE
1 VIVEK PANDEY 1000000 Hr 14-03-2020
Write an SQL query to fetch “FIRST_NAME”
from employee table in upper case.
Select upper(FIRST_NAME) from employee ;
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. Write an SQL query to fetch unique values of DEPARTMENT from Employee table.
Select distinct DEPARTMENT from employee;
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Write an SQL query to print details of employees with DEPARTMENT name as “Admin”
Select * from employee where DEPARTMENT like 'Admin%';.
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Write an SQL query to print details of the Employee whose FIRST_NAME contains ‘a’.
Select * from employee where FIRST_NAME like '%a%';
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Write an SQL query to print details of the employee whose SALARY lies between 100000 and 500000.
Select * from employee where SALARY between 100000 and 500000;
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Write an SQL query to print details of the employees who have joined in
march’2020.
Select * from employee where year(JOINING_DATE) = 2020 and
month(JOINING_DATE) = 3;
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Write an SQL query to print details for employees with the first name as “vivek” and “vishal” from Employee table.
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Select * from employee where FIRST_NAME in (‘vivek’,’vishal');
Write an SQL query to fetch employee names with salaries >= 50000 and <= 100000.
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SELECT CONCAT(FIRST_NAME, ' ', LAST_NAME) As employee_Name, SalaryFROM employee WHERE employee_ID IN (SELECT employee_ID FROM employee WHERE Salary BETWEEN 50000 AND 100000);
Write an SQL query to show only odd rows from a table.
SELECT * FROM employee WHERE MOD (employee_ID, 2) <> 0;
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Write an SQL query to show only even rows from a table.
SELECT * FROM employee WHERE MOD (employee_ID, 2) = 0;
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Write an SQL query to show records from one table that another table does not have.
SELECT * FROM employeeMINUSSELECT * FROM department ;
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Write an SQL query to show records from one table that another table does not have.
SELECT * FROM employeeMINUS
SELECT * FROM department ;
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Write an SQL query to show the top n (say 10) records of a table.
SELECT * FROM employee ORDER BY Salary DESC LIMIT 10;
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