Shulou(Shulou.com)06/01 Report--

/** 1.Create table guestbook**/

--if object_id('guestbook') is null

--CREATE TABLE guestbook (id int PRIMARY KEY, visitor VARCHAR(40),comments TEXT,entrydate DATETIME)

/** 2.Insert data into table guestbook**/

--insert into guestbook values(3,'a','123','2016-05-12')

--insert into guestbook values(4,'a','1234','2016-05-12')

--insert into guestbook values(5,'a','12345','2016-05-12')

/** 3.Drop table guestbook**/

--if object_id('guestbook') is not null

--drop table guestbook

--if exists(select * from sysobjects where name='guestbook')

--drop table guestbook

/** 4.Update table guestbook**/

--update guestbook set visitor='b' where id='4'

/** 5.select all record**/

--select * from guestbook

/** 6.Delete data (one record) from table guestbook**/

--delete guestbook where id='3'

/** 7.Truncate table guestbook (delete all datas from table guestbook)**/

--truncate table guestbook

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