sysobjecs中物件型別(xtype)：
af = aggregate function (clr)
c = 約束
d = 預設值約束
f = 外來鍵約束
l = log
fn = 標量值函式
fs = assembly (clr) 標量值函式
ft = assembly (clr) 錶值函式
if = in-lined table-function
it = internal table
p = 儲存過程
pc = assembly (clr) 儲存過程
pk = primary key constraint (type is k)
rf = replication filter stored procedure
s = 系統表
sn = synonym
sq = service queue
ta = assembly (clr) dml trigger
tf = table function
tr = sql dml trigger
tt = table type
u = 使用者表
uq = unique constraint (type is k)
v = 試圖
x = 擴充套件儲存過程
--批量修改表名為小寫
declare @sql varchar(300)--,@rowcount varchar(10),@dyncnum int
declare @tablename varchar(100)
declare cursor1 cursor for
select name from sysobjects where xtype = 'u'
order
by name
open cursor1
fetch
next
from cursor1 into @tablename
while @@fetch_status=0
begin
set @sql='sp_rename '''+@tablename+''','''+lower(@tablename)+'''' -- 此為修改為小寫，如果修改為大寫「upper」
exec(@sql)
fetch
next
from cursor1 into @tablename
endclose cursor1
deallocate cursor1
--批量修改欄位名為小寫
declare @sql
varchar(300)
declare @tablecolumnname varchar(100), @columnname varchar(100)
declare cursor1 cursor
forselect b.name+'.['+a.name+']',a.name from syscolumns a ,sysobjects b where a.id = object_id(b.name) and b.xtype = 'u'
and a.xtype <>189
and a.xtype <>34
and a.xtype <>35
and a.xtype <>36
open cursor1
fetch
next
from cursor1 into @tablecolumnname,@columnname
while @@fetch_status=0
begin
set @sql='sp_rename '''+@tablecolumnname+''','''+lower(@columnname)+''',''column''' -- 此為修改為小寫，如果修改為大寫「upper」
exec(@sql)
fetch
next
from cursor1 into @tablecolumnname,@columnname
endclose cursor1
deallocate cursor1
--批量修改架構名（包括表名和儲存過程名）
declare @name sysname
declare csr1 cursor
forselect table_name from information_schema.tables
open csr1
fetch
next
from csr1 into @name
while (@@fetch_status=0)
begin
set @name='原架構名.'+@name
exec sp_changeobjectowner @name, '新架構名'
fetch
next
from csr1 into @name
endclose csr1
deallocate csr1
--快速查詢表的總記錄數
select
rows
from sysindexes where id= object_id('rpt2014' ) and indid< 2
--非遞迴查詢樹形結構表的所有子節點
with tree as (
select * from dbo .mgrobjtype where id='00000000-a001-0000-0000-000000000000'
union
allselect mgrobjtype.* from dbo .mgrobjtype, tree where tree.id= dbo.mgrobjtype .parentid
)select * from tree
--清除查詢快取
dbcc freeproccache
dbcc dropcleanbuffers
--跨伺服器的資料庫查詢
select * from
opendatasource('sqloledb' , 'data source=172.18.24.245;user id=sa;password=aaa*'). centerobj_xx.dbo .tablelog as a
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