数据分析师2017-09-30 23:04:51
How should I write if I want to specify multiple conditions-PHP Chinese website Q&A-What should I write if I want to specify multiple conditions-PHP Chinese website Q&A
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怪我咯2016-12-20 13:19:56
如果有两个条件的话，可以这么写SELECT* from tb where a字段=‘x’ or a字段=‘y’，或者SELECT* from tb where a字段=‘x’ anda字段=‘y’；
当然你如果条件多了，还可以加() 如:
SELECT* from tb where (a字段='x' or a字段='y') and b字段='zzz'
