--test库
select d.name,a.name ,b.name ,a.length, a.isnullable
from test..syscolumns a, test..systypes b,test..sysobjects d
where a.xtype=b.xusertype and a.id=d.id and d.xtype='U'--mysql库
select d.name,a.name ,b.name ,a.length, a.isnullable
from mysql..syscolumns a, mysql..systypes b,mysql..sysobjects d
where a.xtype=b.xusertype and a.id=d.id and d.xtype='U'
select d.name,a.name ,b.name ,a.length, a.isnullable
from test..syscolumns a, test..systypes b,test..sysobjects d
where a.xtype=b.xusertype and a.id=d.id and d.xtype='U'--mysql库
select d.name,a.name ,b.name ,a.length, a.isnullable
from mysql..syscolumns a, mysql..systypes b,mysql..sysobjects d
where a.xtype=b.xusertype and a.id=d.id and d.xtype='U'
select * from test..sysobjects where xtype= 'U' and name not in(select * from mysql..sysobjects where xtype= 'U')
syscolumns A left join sysobjects B
on A.id = B.id left join systypes C
on A.xtype = C.xtype
where B.name = 'tablename'
group by A.name, C.name, A.length
(case when a.colorder=1 then d.name else '' end) N'表名',
a.colorder N'字段序号',
a.name N'字段名',
(case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) N'标识',
(case when (SELECT count(*)
FROM sysobjects
WHERE (name in
(SELECT name
FROM sysindexes
WHERE (id = a.id) AND (indid in
(SELECT indid
FROM sysindexkeys
WHERE (id = a.id) AND (colid in
(SELECT colid
FROM syscolumns
WHERE (id = a.id) AND (name = a.name))))))) AND
(xtype = 'PK'))>0 then '√' else '' end) N'主键',
b.name N'类型',
a.length N'占用字节数',
COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'长度',
isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小数位数',
(case when a.isnullable=1 then '√'else '' end) N'允许空',
isnull(e.text,'') N'默认值',
isnull(g.[value],'') AS N'字段说明'
--into ##txFROM syscolumns a left join systypes b
on a.xtype=b.xusertype
inner join sysobjects d
on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
left join syscomments e
on a.cdefault=e.id
left join sysproperties g
on a.id=g.id AND a.colid = g.smallid
order by object_name(a.id),a.colorderdeclare @db varchar(30),@sql varchar(3000)
set @db=db_name()
set @sql='exec master.dbo.xp_cmdshell ''bcp ..dbo.##tx out c:\'+@db+'_exp.xls -c -Usa -P '''
print @sql
exec(@sql)select * from ##tx-------------------------------------------------------create procedure up_getTableStruct
@v_tableName varchar(256)
as
declare @i_objectId int, -- 對象id
@i_indId smallint, -- 索引id
@v_pkInfo varchar(100), -- 主鍵信息
@v_clusteredInfo varchar(20), -- clustered信息
@v_pkCol varchar(100), -- 主鍵字段
@v_key varchar(50),
@i_i smallint
set @i_objectId = object_id(@v_tableName)
if @i_objectId is null -- 判斷對象是否存在
begin
print 'The object not exists'
return
end
if OBJECTPROPERTY(@i_objectId,'IsTable') <> 1 -- 判斷對象是否是table
begin
print 'The object is not table'
return
end create table #temp1
(
i_id int identity,
v_desc varchar(200)
) insert into #temp1(v_desc)
values('create table '+@v_tableName+'(') -- insert into #temp1(v_desc) -- 將表的字段信息存入臨時表
select a.name+space(4)+b.name+
case when b.xtype in (167,175,231,239) then '('+cast(a.length as varchar)+')'
when b.xtype in (106,108) then '('+cast(a.xprec as varchar)+','+cast(a.xscale as varchar)+')'
else '' end+space(4)+
case when (a.colstat & 1 = 1) then 'identity('+cast(ident_seed(@v_tableName) as varchar)+',' +
cast(ident_incr(@v_tableName) as varchar)+')' else '' end +space(4)+
case a.isnullable when 0 then 'not null' else 'null' end+'|'
from syscolumns a,systypes b
where a.id = @i_objectId and a.xtype = b.xusertype
order by a.colid create procedure 名
@aa varchar(10)
as
begin
select a.id 编号,a.name 名称,b.id,b.name from table1 a join table2 b on a.id=b.id where
endif exists(select 1 from sysobjects where parent_obj = @i_objectId and xtype = 'PK') -- 如果存在主鍵
begin
select @v_pkInfo = b.name,@i_indId = indid, -- 得到主鍵名,id及是否clustered信息
@v_clusteredInfo = (case when (a.status & 16)=16 then 'clustered' else 'nonclustered' end )
from sysindexes a,sysobjects b
where a.id = b.parent_obj and a.name = b.name and b.xtype = 'PK' and b.parent_obj = @i_objectId select @v_pkCol = index_col(@v_tableName, @i_indId, 1), @i_i = 2 -- 得到主鍵的第1個字段名
select @v_key = index_col(@v_tableName, @i_indId, @i_i) -- 得到主鍵的第2個字段名
while (@v_key is not null)
begin
select @v_pkCol = @v_pkCol + ',' + @v_key, @i_i = @i_i + 1
select @v_key = index_col(@v_tableName, @i_indId, @i_i) -- 得到主鍵的第@i_i個字段名
end -- 組合成主鍵信息
set @v_pkInfo = 'constraint '+@v_pkInfo+' primary key '+@v_clusteredInfo+'('+@v_pkCol+')'
insert into #temp1(v_desc) values(@v_pkInfo) -- 將主鍵信息插入臨時表
end
else
begin
select @i_i = count(1) from #temp1
-- 如果沒有主鍵,那麼將最後一筆紀錄的'|'去掉
update #temp1 set v_desc = replace(v_desc,'|','') where i_id = @i_i
end insert into #temp1(v_desc) values(')') --
update #temp1 set v_desc = replace(v_desc,'|',',') select v_desc from #temp1 order by i_id drop table #temp1------------------------------------SELECT *
FROM sysobjects
WHERE id=object_id('ExpressPathCredit') and name='EPC_Id'
(case (SELECT count(*)
FROM sysobjects
WHERE (name =
(SELECT name
FROM sysindexes
WHERE (id = OBJECT_ID('TrsNews')) AND (indid =
(SELECT indid
FROM sysindexkeys
WHERE (id = OBJECT_ID('TrsNews')) AND (colid =
(SELECT colid
FROM syscolumns
WHERE (id = OBJECT_ID('TrsNews')) AND (name = 'TN_id'))))))) AND
(xtype = 'PK'))>0 then 'PK' end)
WHERE a.xtype=b.xusertype and a.id=d.id and d.xtype='U' and a.cdefault=e.id
SELECT *
FROM syscommentsSELECT *
FROM syscomments
WHERE (id = '932198371')
建好DBLINK后,是不是可以在一个数据库上运行SQL就好呀?