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create function dbo.F_Get_No
(
@No varchar(100)
)
RETURNS bigint
AS
BEGIN
WHILE PATINDEX('%[^0-9]%',@No)>0
BEGIN
SET @No=STUFF(@No,PATINDEX('%[^0-9]%',@No),1,'') --ɾµôÒ»¸ö·ÇÊý×ÖµÄ×Ö·û£¬Ñ»·½áÊø£¬Ê£ÓàµÄΪÊý×Ö²¿·Ö
END
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Course(C#,Cname,T#) ¿Î³Ì±í
SC(S#,C#,score) ³É¼¨±í
Teacher(T#,Tname) ½Ìʦ±í
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SELECT a.S# from (SELECT s#,score from SC WHERE C#='001') a,
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