MySQL update (不可带 AND 关键字)
2017-12-11 18:11
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软件：SQLyog
update 表A set 字段1 = null AND
字段2 = null
执行成功后，发现表A的字段2 并没有更新，也无报错信息
最后发现，不能用 AND ,只能使用 ， 即可。
update 表A set 字段1 = null ，字段2 = null （语法错误，好歹给我报个错。。。）
update 表A set 字段1 = null AND
字段2 = null
执行成功后，发现表A的字段2 并没有更新，也无报错信息
最后发现，不能用 AND ,只能使用 ， 即可。
update 表A set 字段1 = null ，字段2 = null （语法错误，好歹给我报个错。。。）
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