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把对关系SPJ的属性QTY的修改权授予用户李勇的T-SQL语句是（）
- A、GRANT QTY ON SPJ TO '李勇'
- B、GRANT UPDATE(QTY) ON SPJ TO '李勇'
- C、GRANT UPDATE (QTY) ON SPJ TO 李勇
- D、GRANT UPDATE ON SPJ (QTY) TO 李勇
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把对关系SC的属性GRADE的修改权授予用户ZHAO的T-SQL语句是()A.GRANTGRADEONSCTOZHAO
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考题
请为三建工程项目建立一个供应情况的视图，包括供应商代码（SNO）、零件代码（PNO）、供应数量（QTY）。
CREATE VIEW VSP AS SELECT SNO，PNO，QTY FROM SPJ，J
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针对该视图VSP完成下列查询：
找出供应商S1的供应情况
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把对关系SC的属性GRADE的修改权授予用户ZHAO的SQL语句是 （）A、GRANT GRADE ON SC TO ZHAOB、GRANT UPDATE ON SC TO ZHAOC、GRANT UPDATE (GRADE) ON SC TO ZHAOD、GRANT UPDATE ON SC (GRADE) TO ZHAO
考题
单选题把对关系SPJ的属性QTY的修改权授予用户李勇的T-SQL语句是（）A
GRANT QTY ON SPJ TO '李勇'B
GRANT UPDATE(QTY) ON SPJ TO '李勇'C
GRANT UPDATE (QTY) ON SPJ TO 李勇D
GRANT UPDATE ON SPJ (QTY) TO 李勇
考题
问答题请为三建工程项目建立一个供应情况的视图，包括供应商代码（SNO）、零件代码（PNO）、供应数量（QTY）。
CREATE VIEW VSP AS SELECT SNO，PNO，QTY FROM SPJ，J
WHERE SPJ.JNO=J.JNO AND J.JNAME=’三建’
针对该视图VSP完成下列查询：
找出供应商S1的供应情况
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