David is a cross product dba (SQL Server,DB2,Oracle,Informix,Sybase) who has worked for 20 years as a DBA for both private,local government and central government customers and now works at a leading investment bank. Certifications include MCSE 2012,MCITP SQL Server 2008 DBA and Developer, MCTS 2008 BI as well as certifcations in other products.