对数据表的批量操作(增/删/查/改)
--确定批量操作对象
select
*,
0 as 'Flag'
into
#temp
from
INFORMATION_SCHEMA.TABLES
where
(table_name like '_del%' or table_name like '_stop%')
and table_type = 'BASE TABLE'
--定义实现参数
declare @sql NVARCHAR(100)
declare @Table_catalog NVARCHAR(100)
declare @Table_Schema NVARCHAR(100)
declare @Table_Name NVARCHAR(100)
declare @total int
declare @num int
select @total = count(1) from #temp
set @num = 1
--循环操作
while @num <= @total
begin
select
top 1 @Table_catalog = Table_catalog,
@Table_Schema = Table_Schema ,
@Table_Name = Table_Name
from #temp where Flag = 0
set @sql = 'drop table '+@Table_catalog+'.'+@Table_Schema+'.'+@Table_Name+';'
update #temp set Flag = 1 where Table_Name = @Table_Name
EXEC sp_executesql @sql
set @num = @num +1
end
查看DB下所有表的空间
if exists(select 1 from tempdb..sysobjects where id=object_id('tempdb..#tabName') and xtype='u')
drop table #tabName
go
create table #tabName(
tabname varchar(100),
rowsNum varchar(100),
reserved varchar(100),
data varchar(100),
index_size varchar(100),
unused_size varchar(100)
)
declare @name varchar(100)
declare cur cursor for
select name from sysobjects where xtype='u' order by name
open cur
fetch next from cur into @name
while @@fetch_status=0
begin
insert into #tabName
exec sp_spaceused @name
--print @name
fetch next from cur into @name
end
close cur
deallocate cur
select tabname as '表名',rowsNum as '表数据行数',reserved as '保留大小',data as '数据大小',index_size as '索引大小',unused_size as '未使用大小'
from #tabName
--where tabName not like 't%'
order by cast(rowsNum as int) desc
