date類型轉Char
TO_CHAR(DATE,'YYYY-MM-DD') AS XXX
TO_CHAR(DATE,'YYYY-MM-DD HH24:MI:SS') AS XXX,
Char類型轉date
TO_DATE('CHAR','YY-MM-DD')
date類型轉Char
TO_CHAR(DATE,'YYYY-MM-DD') AS XXX
TO_CHAR(DATE,'YYYY-MM-DD HH24:MI:SS') AS XXX,
Char類型轉date
TO_DATE('CHAR','YY-MM-DD')
1.查找當前表級鎖的SQL如下:select sess.sid, sess.serial#, lo.oracle_username,
//1.數據結構:表:stu_list 主鍵ID,姓名,語文,數學,英語 1 ,張三, 80, 90, 70 2 ,李四,