SQL> select dbms_flashback.get_system_change_number from dual;GET_SYSTEM_CHANGE_NUMBER------------------------ 29821842.在Oracle9i之前可以通過查詢x$ktuxe獲得X$KTUXE-------------[K]ernel [T]ransaction [U]ndo Transa[x]tion [E]ntry (table)
SQL> select max(ktuxescnw*power(2,32)+ktuxescnb) from x$ktuxe;MAX(KTUXESCNW*POWER(2,32)+KTUXESCNB)------------------------------------ 2980613本文作者:
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