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Tag Archives: RS_ID
Logmnr获取SQL长度超过4000的问题
如果LOGMNR获取的SQL_REDO或SQL_UNDO的长度超过4000,则会导致Oracle自动合并拆分行记录。 一个简单的例子来描述这个问题: SQL> ALTER DATABASE ADD SUPPLEMENTAL LOG DATA; DATABASE altered. SQL> SELECT GROUP# FROM V$LOG WHERE STATUS = ‘CURRENT’; GROUP# ———- 2 SQL> ALTER SYSTEM SWITCH LOGFILE; System altered. SQL> SELECT GROUP# FROM V$LOG WHERE STATUS = ‘CURRENT’; GROUP# … Continue reading