create database databaseName
on primary
(
Name =dbName1,
FileName=\'C:\mydatabase1\dbName1.mdf\',
Size =10MB,
MaxSize=20MB,
FileGrowth=10mb),
(
Name =dbName2,
FileName=\'C:\mydatabase2\dbName2.mdf\',
Size =10MB,
MaxSize=20MB,
FileGrowth=10mb)
Log on
(
Name =dbLogName1,
Filename= \'C:\mydatabaseLog\dbLogName1.ldf\',
Size=10mb,
MaxSize=20mb,
FileGrowth=10mb)
/*
Name sql server使用的逻辑名称
Filename 完全限定的NT Server 文件名
Size 文件的初始大小 ，默认值是model数据库主文件[model.mdf]的大小
MaxSize 最大的文件尺寸，默认值是占满整个空间
FileGrowth 当需要时，SQL Server拓展文件的量 。默认值10%
*/
------------
---修改数据库----
--添加文件--
alter database databaseName
add File
(
Name= dbName3,
size=10MB,
MaxSize=20mb,
FileName=\'C:\dbName3.mdf\',
FileGrowth=10mb
)
---移除文件-----
Alter Database databaseName
remove File dbName3
------修改文件---------
alter database databaseName
Modify File
(
Name=dbName2,
Size=15mb
)
数据库之study
create database study /*数据文件 前三行必写*/ on
(
name = study_data,
filename = \'f:\20160303\study.mdf\',
size=20,
maxsize=unlimited,
filegrowth=20%
)
log on (
name = study_log,
filename = \'f:\20160303\study.log\',
size=5,
maxsize=20,
filegrowth=2
)
/*GO的作用是先执行上面的语句 数据库建好之后再往下运行*/
use study
create table class (
class_no char(6) primary key,
class_name char(20) not null,
class_special varchar(20),
class_dept char(20)
)
GO
create table student (
s_no char(6) primary key,
class_no char(6) not null references class(class_no),
s_name varchar(10) not null,
s_sex char(2) check(s_sex =\'男\' or s_sex=\'女\'),
s_birthday datetime
)
GO
create table course (
course_no char(5) primary key,
course_name char(20) not null, course_score numeric(6,2)
)
GO create table choice (
s_no char(6) references student(s_no),
course_no char(5) references course(course_no),
score numeric(6,1)
)
GO
create table teacher (
t_no char(6) primary key,
t_name varchar(10) not null,
t_sex char(2) check(t_sex =\'男\' or t_sex=\'女\'),
t_birthday datetime, t_title char(10)
)
GO
create table teaching (
course_no char(5) references course(course_no),
t_no char(6) references teacher(t_no)
)
select * from choice
insert into class values(\'js9901\',\'计算机99-1\',\'计算机\',\'计算机系\')
insert into class values(\'js9902\',\'计算机99-2\',\'计算机\',\'计算机系\')
insert into class values(\'js0001\',\'计算机00-1\',\'计算机\',\'计算机系\')
insert into class values(\'js0002\',\'计算机00-2\',\'计算机\',\'计算机系\')
insert into class values(\'xx0001\',\'信息00-1\',\'信息\',\'信息系\') insert into class values(\'xx0002\',\'信息00-1\',\'信息\',\'信息系\')
insert into student values(\'991101\',\'js9901\',\'张斌\',\'男\',\'1981-10-1\')
insert into student values(\'991102\',\'js9901\',\'王蕾\',\'女\',\'1980-8-8\')
insert into student values(\'991103\',\'js9901\',\'李建国\',\'男\',\'1981-4-5\')
insert into student values(\'991104\',\'js9901\',\'李平方\',\'男\',\'1981-5-12\')
insert into student values(\'991201\',\'js9902\',\'陈东辉\',\'男\',\'1980-2-8\')
insert into student values(\'991202\',\'js9902\',\'葛鹏\',\'男\',\'1979-12-23\')
insert into student values(\'991203\',\'js9902\',\'潘耀志\',\'女\',\'1980-2-6\')
insert into course values(\'01001\',\'计算机基础\',\'3\')
insert into course values(\'01002\',\'程序设计语言\',\'5\')
insert into course values(\'01003\',\'数据结构\',\'6\')
insert into course values(\'02001\',\'数据库原理与应用\',\'6\')
insert into course values(\'02002\',\'计算机网络\',\'6\')
insert into choice values(\'991101\',\'01001\',\'88.0\')
insert into choice(s_no,course_no) values(\'991102\',\'01001\')
insert into choice values(\'991103\',\'01001\',\'91.0\')
insert into choice values(\'991104\',\'01001\',\'78.0\')
insert into teacher values(\'000001\',\'李英\',\'女\',\'1964-11-3\',\'讲师\')
insert into teacher values(\'000002\',\'王大山\',\'男\',\'1955-3-3\',\'副教授\')
insert into teacher values(\'000003\',\'张朋\',\'男\',\'1974-10-3\',\'讲师\')
insert into teacher values(\'000004\',\'陈伟军\',\'男\',\'1963-11-1\',\'助教\')
insert into teacher values(\'000005\',\'宋浩然\',\'男\',\'1966-12-4\',\'讲师\')
insert into teacher values(\'000006\',\'徐红霞\',\'女\',\'1964-5-8\',\'副教授\')
insert into teaching values(\'01001\',\'000001\')
insert into teaching values(\'01002\',\'000002\')
insert into teaching values(\'01003\',\'000003\')
insert into teaching values(\'02001\',\'000004\')
select * from choice; select * from class select * from course select * from student select * from teacher select * from teaching