DB design for OLTP VS Olap (Datawarehouse) DB size of Production and Development here DB tuning Parameters and current settings How to see load on Linux O/s processor tkprof, Explain Plan,Trace Database parameters and settings Backup strategy how many Redolog file and there size (here) Incremental backup command and use of each parameters Row chaining Row Migration Installation of a new DB, parameters (important) Multilingual DB Aproach of SQL query optimization of 10K lines , 400 Tables