SELECT COUNT(1) FROM NPOSDCHGDATA WHERE ORGID = ? AND POLNUM = ? AND CHGITM = 'BG024' AND CHGKEY LIKE 'InsuredsShipFlag%' AND NEW_VALUE <> '' and OLD_VALUE <>NEW_VALUE
AND NEW_VALUE <> '' and OLD_VALUE <>NEW_VALUE
这个我怎么表示
!=
可以转义 gt,lt
不过更喜欢
<![ CDATA [
<>
] ] >