0:
create database booksdb
on primary -- 默认就属于primary文件组,可省略
(
/*--数据文件的具体描述--*/
name='booksdb_data', -- 主数据文件的逻辑名称
filename='f:data\booksdb.mdf', -- 主数据文件的物理名称
size=5mb, --主数据文件的初始大小
maxsize=100mb, -- 主数据文件增长的最大值
filegrowth=15%--主数据文件的增长率
)
log on
(
/*--日志文件的具体描述,各参数含义同上--*/
name='stuDB_log',
filename='f:data\booksdb_log.ldf',
size=2mb,
filegrowth=1mb
)
1:
CREATE TABLE publish (
pubishid char(5) NOT NULL,
pubishname varchar(100) NOT NULL ,
pubishddr varchar(200) NOT NULL ,
pubishtel varchar(30) NOT NULL ,
CONSTRAINT p_publish
PRIMARY KEY NONCLUSTERED (pubishid )) ;
use master
go
IF EXISTS (SELECT * FROM sys.databases WHERE name = 'Booksdb')
DROP DATABASE Booksdb
GO
--EXEC xp_cmdshell 'mkdir D:\data'
CREATE DATABASE Booksdb
ON PRIMARY(
NAME = 'Booksdb_data',
FILENAME = 'D:\data\Booksdb_data.mdf'--,
--SIZE = 512KB,
--MAXSIZE = 5MB,
--FILEGROWTH = 20%
)
GO
USE booksdb
go
--1
CREATE table publish
(
publishid char(5) primary key,
publishname varchar(100) NOT NULL,
publishaddr varchar(200) not null,
publishtel varchar(30) unique
)
GO
--2
CREATE TABLE books
(
bookid int identity(1,1) primary key,
bookname varchar(100) not null,
bookprice int check(bookprice between 1 and 500),
bookcontent varchar(2000) not null,
publishid char(5) foreign key references publish(publishid)
)
GO
--3
INSERT INTO publish (publishid,publishname,publishaddr,publishtel) values('P-A','出版社名','地址','1383838438')
go
--4
INSERT INTO books (bookname,bookprice,bookcontent,publishid) VALUES('书名',102,'图书内容','P-A')
GO
--5.1
SELECT bookid,bookprice as '单价',bookcontent,p.publishname FROM books b
LEFT JOIN publish p ON b.publishid = p.publishid
--5.2
SELECT bookid,bookprice as '单价',bookcontent,p.publishname FROM books b
LEFT JOIN publish p ON b.publishid = p.publishid
WHERE b.bookprice > 50
--5.3
SELECT bookid,bookprice as '单价',bookcontent,p.publishname FROM books b
LEFT JOIN publish p ON b.publishid = p.publishid
WHERE b.bookprice > 50 AND b.bookprice < 100
ORDER BY b.bookprice DESC
--5.4
SELECT bookid,bookprice as '单价',bookcontent,p.publishname FROM books b
LEFT JOIN publish p ON b.publishid = p.publishid
WHERE b.bookname LIKE '%java%'
--5.5
SELECT TOP 2 bookid,bookprice as '单价',bookcontent,p.publishname FROM books b
LEFT JOIN publish p ON b.publishid = p.publishid
--5.6
SELECT p.publishname,count(*) as '数量' FROM books b
LEFT JOIN publish p ON b.publishid = p.publishid
GROUP BY p.publishname
--6
UPDATE books SET bookprice = 80 WHERE bookid = 2
--7
DELETE FROM books WHERE bookid = 1
--8
DELETE FROM books WHERE bookprice > 100
--9
SELECT * FROM books
--10 (有主外键关系)
drop TABLE books
go
drop TABLE publish
go
--11
USE master
GO
DROP DATABASE Booksdb
GO
增删改查,除了工作量大没难点
什麼数据库都没说你们就这麼答了啊??