A.數(shù)據(jù)定義 B.數(shù)據(jù)查詢 C.數(shù)據(jù)操作 D.數(shù)據(jù)控制
A.SELECT項(xiàng)和ORDERBY項(xiàng) B.SELECT項(xiàng)和WHERE項(xiàng) C.SELECT項(xiàng)和FROM項(xiàng) D.SELECT項(xiàng)和GROUPBY項(xiàng)
A.先Activate再Init最后為L(zhǎng)oad B.先Load再Init最后為Activate C.先Init再Load最后為Activate D.先Load再Activate最后為Init