mysql 傳入參數鏈接不一樣數據庫(預查詢sql)

BEGINweb set @sql=concat(‘select * from ‘,db_name,’.’,‘elle_transin ‘,’ where id=4’);sql PREPARE stm FROM @sql; EXECUTE stm; DEALLOCATE PREPARE stm;svg END函數 調用xml jessiejane CALL _david_test(‘jessiej

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