My side there is a table, the table there is a field in the cid, this field is the foreign key type table, through the field of different data query conditions, how can a collection at the same time return to different conditions of the query in the query

CodePudding user response:

Multiple query result set using union combined

CodePudding user response:

Can give a test table structure, test data, to get the result set, and so on information, ask others questions so lazy do? Who would like to go to guess your appeal