12th Day of Oracle Learning

This week just two systems on-line, a few days overtime to midnight, this weekend finally relaxed, can rest at home, fill a complement Oracle, or the previous tutorial, see "Update and transaction processing", look at the edge update it

1, Insert: There seems to be no difference

2, Update: There seems to be no difference

3, Delete: There seems to be no difference

4, Transaction/Lock: The concept of business and MSSQL similar, the lock is not familiar with MSSQL, only know when looking at the table with (NOLOCK) dirty read Improve efficiency

12th Day of Oracle Learning