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數(shù)據(jù)庫原理與應用實驗報告(文件)

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【正文】 修改前:修改后。)(1) 找出“一建”工程項目使用的各種零件代碼及其數(shù)量select Pno,QTYfrom jiangxue_yijian(2) 找出供應商S2的供應情況select QTYfrom jiangxue_yijian where Sno=39。 and QTY100(1)把對表jiangxue_S的插入權(quán)限授予用戶zhangyong,并允許他再將此權(quán)利授予他人grant inserton jiangxue_Sto ZhangYongwith grant option(2)把查詢表jiangxue_SPJ和修改QTY的權(quán)限授予LiMinggrant select,update(QTY)on jiangxue_SPJto LiMing。(3) 找出供應零件P2且供應數(shù)量大于100的供應商號select Snofrom jiangxue_yijianwhere Pno=39。插入前:修改后::為‘一建’工程項目建立一個供應情況的視圖,包括供應商號,零件代碼,供應商名稱,供應數(shù)量create view jiangxue_yijianas select ,Pno,Sname,QTYfrom jiangxue_S,jiangxue_SPJwhere = and Jno in(select Jno from jiangxue_Jwhere Jname=39。)(6)找出使用杭州產(chǎn)的零件的工程名稱select distinct Jname from jiangxue_jwhere Jno in (select Jno from jiangxue_SPJwhere Sno in(select Sno from jiangxue_S where City=’杭州’))(7)找出沒用供應天津產(chǎn)的零件的工程號Select distinct Jno from jiangxue_SPJwhere Sno in(select Sno from jiangxue_S where City 39。order by Jno ASC(4)找出工程項目J3使用的各種零件的名稱及其數(shù)量select Pname,sum(QTY) QTYS from jiangxue_SPJ,jiangxue_Pwhere Jno=39。and Pno=39。) and Sno in (select Snofrom jiangxue_Swhere City39。 and Pno in (select Pnofrom jiangxue_Pwhere Color=39。and Pno=39。) :(1) 找出供應工程J1零件的供應商號select distinct Snofrom jiangxue_SPJwhere Jno=39。,39。)insertinto jiangxue_SPJ values(39。,39。)insertinto jiangxue_SPJ values(39。,39。)insertinto jiangxue_SPJ values(39。,39。)insertinto jiangxue_SPJ values(39。,39。)insertinto jiangxue_SPJ values(3
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