Solved SQL questions, the DBMS I am using is ORACLE, here is | Chegg.com
Mir Sayeed Hassan – Oracle Blog » Blog Archive Overview of Profile Management with real-time scenario in Oracle Database 11gR2 (11.2.0.4) - Mir Sayeed Hassan - Oracle Blog
Scripts – on Spooling and Output to Screen in Oracle SQL Developer
Use Oracle FETCH to Limit Rows Returned by a Query