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我有稱爲3個表:表A,表B,TPopulate填充表具有兩個MySQL循環
的表:A,B有一些行我需要populare表(TPopulate),而不存儲的過程實施例的僞代碼:
@loop1 = 1;
@loop2 = 1;
WHILE loop1 <= (Select COUNT(*) FROM TableA)
WHILE loop2 <= (Select COUNT(*) FROM TableB)
INSERT INTO TPopulate (column1, column2) VALUES (TableA.column1, TableB.column1)
END;
END;
TableA Represent (users)
TableB Represent (Privileges)
TPopulate Represent (Users_Privileges)
我試圖做的是將所有權限插入所有現有用戶。
簡單而高效,非常感謝你你幫我 –