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CREATE TABLE Worker ( WORKER_ID INT NOT NULL PRIMARY KEy, FIRST_NAME CHAR(25), LAST_NAME CHAR(25), SALARY INT(15), JOINING_DATE DATE, DEPARTMENT CHAR(25) ); INSERT INTO Worker (WORKER_ID, FIRST_NAME, LAST_NAME, SALARY, JOINING_DATE, DEPARTMENT) VALUES (001, 'Monika', 'Arora', 100000, '14-02-20 09.00.00', 'HR'), (002, 'Niharika', 'Verma', 80000, '14-06-11 09.00.00', 'Admin'), (003, 'Vishal', 'Singhal', 300000, '14-02-20 09.00.00', 'HR'), (004, 'Amitabh', 'Singh', 500000, '14-02-20 09.00.00', 'Admin'), (005, 'Vivek', 'Bhati', 500000, '14-06-11 09.00.00', 'Admin'), (006, 'Vipul', 'Diwan', 200000, '14-06-11 09.00.00', 'Account'), (007, 'Satish', 'Kumar', 75000, '14-01-20 09.00.00', 'Account'), (008, 'Geetika', 'Chauhan', 90000, '14-04-11 09.00.00', 'Admin'); /*CREATE TABLE Bonus ( WORKER_REF_ID INT, BONUS_AMOUNT INT(10), BONUS_DATE DATETIME, FOREIGN KEY (WORKER_REF_ID) REFERENCES Worker(WORKER_ID) ON DELETE CASCADE ); INSERT INTO Bonus (WORKER_REF_ID, BONUS_AMOUNT, BONUS_DATE) VALUES (001, 5000, '16-02-20'), (002, 3000, '16-06-11'), (003, 4000, '16-02-20'), (001, 4500, '16-02-20'), (002, 3500, '16-06-11'); CREATE TABLE Title ( WORKER_REF_ID INT, WORKER_TITLE CHAR(25), AFFECTED_FROM DATETIME, FOREIGN KEY (WORKER_REF_ID) REFERENCES Worker(WORKER_ID) ON DELETE CASCADE ); INSERT INTO Title (WORKER_REF_ID, WORKER_TITLE, AFFECTED_FROM) VALUES (001, 'Manager', '2016-02-20 00:00:00'), (002, 'Executive', '2016-06-11 00:00:00'), (008, 'Executive', '2016-06-11 00:00:00'), (005, 'Manager', '2016-06-11 00:00:00'), (004, 'Asst. Manager', '2016-06-11 00:00:00'), (007, 'Executive', '2016-06-11 00:00:00'), (006, 'Lead', '2016-06-11 00:00:00'), (003, 'Lead', '2016-06-11 00:00:00');*/ select * from Worker ;
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OUTPUT CLUASE
Demo
Rename column name using 'sp_rename' command
Microsoft SQL Server T-SQL in 10 mn ~ Lesson 13 Subqueries vers. #5
Solution 4
sql_fb
SQL Server Rank Query Optimization
shrink logs
database size
FIGURA5.4