Monday, November 18, 2019

Oracle: DDL Statement


5. Alter, Drop, Delete, Update, Commit, Rollback

1.  DELETE  FROM  player
     WHERE sal BETWEEN 1 AND 100;

2. DELETE  FROM  player
     WHERE sal IN(1000,2000);

3.  ROLLBACK;

4.  COMMIT;

5.  DROP TABLE    TEST_0

6.  ALTER TABLE test_0
     ADD   add_name  VARCHAR2(30);

7.  ALTER TABLE test_0
     MODIFY add_name  VARCHAR2(20);

8.  ALTER TABLE test_0
     DROP COLUMN  add_name ;

9.  RENAME TEST_0 TO new_Table;

10. TRUNCATE TABLE test_0;

11. UPDATE test_0
      SET   add_name =  'Your Name'
      WHERE ROLLNO = 101;

12. UPDATE test_0
       SET   add_name =  'Your Name'

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