创建数据库

create database testdb1
on(
name=testdb1,
filename=‘d:\testdb1.mdf‘,
size=10,
maxsize=50,
filegrowth=1
)
log on(
name=testdb_log,
filename=‘d:\testdb_log.ldf‘,
size=1,
maxsize=unlimited,
filegrowth=10%
)
go

create database testdb1
on(
name=testdb1,
filename=‘d:\testdb1.mdf‘,
size=10,
maxsize=50,
filegrowth=1
)
log on(
name=testdb1_log,
filename=‘d:\testdb1_log.ldf‘,
size=1,
maxsize=unlimited,
filegrowth=10%
),
(
name=testdb2_log,
filename=‘d:\testdb2_log.ldf‘,
size=1,
maxsize=unlimited,
filegrowth=10%
)
go

sp_helpdb testdb1

alter  database testdb1
add file(
name=testdb1ndf1,
filename=‘d:\testdb1ndf1.ndf‘,
size=5mb,
maxsize=10mb,
filegrowth=6mb
) to filegroup mygroup

alter database testdb1
add log file(
name=testdb3_log,
filename=‘d:\testdb3.ldf‘,
size=5mb,
maxsize=10mb,
filegrowth=10%
)

alter database testdb1
modify file(name=testdb1,size=21mb)
go
alter database testdb1
modify file (name=testdb_log,size=21mb) 

alter database testdb1
add filegroup mygroup
go

sp_helpfilegroup
go

sp_helpdb testdb1

alter database testdb1
remove file testdb3_log