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SQL> show error¡¡¡¡ --ÏÔʾ´íÎó
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SQL> set sqlprompt "SQL> " --ÉèÖÃĬÈÏÌáʾ·û£¬Ä¬ÈÏÖµ¾ÍÊÇ"SQL> "
SQL> set linesize 1000 --ÉèÖÃÆÁÄ»ÏÔʾÐÐ¿í£¬Ä¬ÈÏ100
SQL> set autocommit ON --ÉèÖÃÊÇ·ñ×Ô¶¯Ìá½»£¬Ä¬ÈÏΪOFF
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SQL> set arraysize 1 --ĬÈÏΪ15
SQL> set long 1000 --ĬÈÏΪ80
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SQL> desc user_views
ÁÐÃû ¿É¿ÕÖµ·ñ ÀàÐÍ
------------------------------- -------- ----
VIEW_NAME NOT NULL VARCHAR2(30)
T ......
create database test1
use test1
create table admin
(
id int primary key ,
name varchar(50),
pwd varchar(50),
)
insert into admin values(1,'aa','aa')
alter table admin add tel varchar(50) NULL
select * from admin
select * from admin
if exists (select * from syscolumns where id=object_id('admin') and name='mms') print 'ÒѾ´æÔÚ¸Ã×Ö¶Î'
alter table admin add tel varchar(50) NULL
alter table admin alter column name set bbs varchar(50) null
alter table tablename drop column oldfield
EXEC sp_rename 'admin.sss', 'tel', 'COLUMN' ......
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--´´½¨Êý¾Ý¿â
create database NationalAll
Go
--ʹÓÃNationalAllÊý¾Ý¿â
use NationalAll
Go
--´´½¨Ê¡¼¶±í
Create Table Province
(
ProID int primary key not null,
ProName nvarchar(50) not null
)
Go
--Öйú34¸öÊ¡¼¶ÐÐÕþµ¥Î» 23¸öÊ¡ 5¸ö×ÔÖÎÇø 4¸öֱϽÊÐ 2ÌØ±ðÐÐÕþÇø
insert into Province values(1,'±±¾©ÊÐ')
insert into Province values(2,'Ìì½òÊÐ')
insert into Province values(3,'ÉϺ£ÊÐ')
insert into Province values(4,'ÖØÇìÊÐ')
insert into Province values(5,'ºÓ±±Ê¡')
insert into Province values(6,'ɽÎ÷Ê¡')
insert into Province values(7,'̨ÍåÊ¡')
insert into Province values(8,'ÁÉÄþÊ¡')
insert into Province values(9,'¼ªÁÖÊ¡')
insert into Province values(10,'ºÚÁú½Ê¡')
insert into Province values(11,'½ËÕÊ¡')
insert into Province values(12,'Õã½Ê¡')
insert into Province values(13,'°²»ÕÊ¡')
insert into Province values(14,'¸£½¨Ê¡')
insert into Province values(15,'½Î÷Ê¡') ......
--Èç¹û´æÔÚÊý¾Ý¿âprogrammerPay ¾Íɾ³ý
if exists (select * from sysdatabases where name='programmerPay')
drop database programmerPay
go
--´´½¨Êý¾Ý¿âprogrammerPay
create database programmerPay
on primary
(
name ='programmerPay_data',
filename='D:\programmerPay\programmerPay_data.mdf',
maxsize=3mb,
filegrowth=15%
)
log on
(
name ='programmerPay_log',
filename='D:\programmerPay\programmerPay_log.ldf',
maxsize=1mb,
filegrowth=15%
)
go
use programmerPay
go
--´´½¨±íprowage
create table prowage
(
id int identity(1,1) not null,--Ö÷¼ü ±êʶÁÐ
Pname char(10) not null,--³ÌÐòÔ±ÐÕÃû
wage int not null--³ÌÐòÔ±¹¤×Ê
)
go
--Ϊ±íprowage id ×Ö¶ÎÌí¼ÓÖ÷¼üÔ¼Êø
alter table prowage
add constraint PK_id primary key(id)
--²åÈë²âÊÔÊý¾Ý
insert into prowage (pname,wage)
values ('ÕÅÈý',5000)
insert into prowage (pname,wage)
values ('ÀîËÄ',1200)
insert into prowage (pname,wage)
values ('¶þÔÂ',1700)
insert into prowage (pname,wage)
values ('À¶Ìì',5700)
inser ......