问题遇到的现象和发生背景
问题相关代码,请勿粘贴截图
UPDATE a SET a.test= 0
FROM #table a
WHERE a.test is null
UPDATE a SET a.test= 0
FROM #table a
WHERE a.test = null
UPDATE a SET a.test= 0
FROM #table a
WHERE a.test is null
UPDATE a SET a.test= 0
FROM #table a
WHERE a.test = null