Getting Date from Oracle, MS SQL Server and IBM DB2 using dummy table

SELECT getDate(); -- MS SQL Server


SELECT sysdate FROM dual; --Oracle


SELECT current date FROM sysibm.sysdummy1; -- DB2

RENAME TABLE

MS SQL SERVER :

    EXEC SP_RENAME 'OLD_TABLE_NAME' , 'NEW_TABLE_NAME';

ORACLE :

    RENAME 'OLD_TABLE_NAME' TO 'NEW_TABLE_NAME';

DB2 :

    RENAME TABLE 'OLD_TABLE_NAME' TO 'NEW_TABLE_NAME';