Free Online Programming Tutorials - Let's Learn Web Programming! http://freeonlineprogrammingtutorials.com Thu, 02 Sep 2010 06:27:54 +0000 http://backend.userland.com/rss092 en NULL Values in Assignment Statements http://freeonlineprogrammingtutorials.com/null-values-in-assignment-statements PL/SQL Character String Functions http://freeonlineprogrammingtutorials.com/plsql-character-string-functions PL/SQL Data Type Conversion Functions http://freeonlineprogrammingtutorials.com/plsql-data-type-conversion-functions PL/SQL Assignment Statements http://freeonlineprogrammingtutorials.com/plsql-assignment-statements