rowscn专题

Oracle ORA_ROWSCN 伪列 说明

一. 官网对该伪列的说明 From:11gR2 http://download.oracle.com/docs/cd/E11882_01/server.112/e17118/pseudocolumns007.htm#SQLRF50953          Foreach row, ORA_ROWSCN returns the conservative upper bound syst