Dataid wordid, totaldataid all is empty? Should not is user table id? How is empty? Is my grammar is wrong? Quite urgent
CodePudding user response:
Is there a man
CodePudding user response:
Does anyone
CodePudding user response:
Can you help me
CodePudding user response:
A foreign key is a link, you must first save, as you save Word table (1, "I", "me", 1, 10), including 10 indicates the user id for this person's data, 10(by the way, your wordId, dataId, total, dataId and the primary key id is a meaning, repeat defines)