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var result=from pdt in db.Product
select pdt;
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CREATE TABLE [DB.dbo].tableName
(Stud_id int CONSTRAINT constraintName1 not null primary key,
Name nvarchar(5) not null,
Birthday datetime,
Gender nchar(1),
Telcode char(12),
Zipcode char(6) CONSTRAINT constraintName2 CHECK(zipcode like [ ......
if exists(select 1 from sysobjects where name='char_index')
drop function char_index
create function char_index(@string varchar(8000),@char varchar(10),@index smallint)
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returns smallint
as
begin
declare
@i tinyint,--µ±Ç°ÕÒµ½µÚ@i¸ö
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