Sybase数据库的几个配置问题

use master 
go 
dump transaction DATABASENAME,trunc,true 
go 
use DATABASENAME
go 
checkpoint 
go 

use master
go
sp_dboption DATABASENAME,"bulkcopy",true
go
use DATABASENAME
go
checkpoint
go

use DATABASENAME
go
sp_dropsegment system,DATABASENAME,devicename
go
sp_dropsegment "default",DATABASENAME,devicename
go

use master
go
sp_dboption DATABASENAME,'sing user','true'
go