更新SQL查询多个字段以更新

Question

尝试通过更新查询更新我的表格，请参阅下面的查询，不确定是否会给我这个问题？

update tb1 set class='X' and SUB_CLASSIFICATION='XX' where id=12345 and 
loc='0250' and TYPE='I' and CLASSIFICATION='B10'

Answer 1

在,

中使用逗号AND代替SET

update tb1 set class='X', SUB_CLASSIFICATION='XX' where id=12345 and 
loc='0250' and TYPE='I' and CLASSIFICATION='B10'

Answer 2

您需要使用“,”来更新多个columns

update tb1 set class='X',SUB_CLASSIFICATION='XX' where id=12345 and 
loc='0250' and TYPE='I' and CLASSIFICATION='B10'

Answer 3

update tb1 
set class='X', SUB_CLASSIFICATION='XX' 
where id=12345 and loc='0250' and TYPE='I' and CLASSIFICATION='B10'

Answer 4

是的，您的第一个AND应该是逗号（，）。

Answer 5

在设置部分中，ypu必须使用'，' - 而不是AND

update tb1 set class='X', SUB_CLASSIFICATION='XX' where id=12345 and 
loc='0250' and TYPE='I' and CLASSIFICATION='B10'

Answer 6

更新tb1 set class ='X'，SUB_CLASSIFICATION ='XX' 其中id = 12345且loc ='0250'且TYPE ='I'且CLASSIFICATION ='B10'