Home Database Mysql Tutorial [转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段

[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段

Jun 07, 2016 pm 03:00 PM
sql Field database it works Obtain Table Name

1 .获取所有用户名: SELECT name FROM Sysusers where status = ' 2 ' and islogin = ' 1 ' islogin = ' 1 ' 表示帐户 islogin = ' 0 ' 表示角色 status = ' 2 ' 表示用户帐户 status = ' 0 ' 表示糸统帐户 2 .获取所有数据库名: SELECT Name FROM Master..S

1.获取所有用户名:
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段SELECT name FROM Sysusers 
where status='2' and islogin='1'
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段islogin
='1'表示帐户
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段islogin
='0'表示角色
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段status
='2'表示用户帐户
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段status
='0'表示糸统帐户
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段
2.获取所有数据库名:
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段SELECT Name FROM Master..SysDatabases ORDER BY Name
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段
3.获取所有表名
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段SELECT Name FROM DatabaseName..SysObjects Where XType
='U' ORDER BY Name
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段XType
='U':表示所有用户表;
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段XType
='S':表示所有系统表;
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段
4.获取所有字段名:
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段SELECT Name FROM SysColumns WHERE id
=Object_Id('TableName')
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段
5.获取数据库所有类型
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段select name from systypes 
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段
6.获取主键字段
[转载]SQL获取所有用户名,数据库名、所有表名、所有字段名及字段SELECT   name FROM SysColumns WHERE id
=Object_Id('表名') and colid=(select top 1 keyno from sysindexkeys where id=Object_Id('表名'))

7、获取字段类型

select a.name as [column],b.name as type from syscolumns a,systypes b where a.id=object_id('表名') and a.xtype=b.xtype
或者可以通过存储过程
exec sp_help 表名

8、取表结构

select column_name,data_type,character_maximum_length from information_schema.columns where table_name = '表名'

 

 

/****************************************************************************************************************************/

/*--获取连接SQL服务器的信息 

所有连接本机的:操作的数据库名,计算机名,用户名,网卡物理地址,IP地址,程序名 

--邹建 2003.11(引用请保留此信息)--*/ 

/*--调用示例 
--显示所有本机的连接信息 
exec p_getlinkinfo 

--显示所有本机的连接信息,包含ip地址 
exec p_getlinkinfo @includeip=1 

--显示连接指定数据库的信息 
exec p_getlinkinfo '客户资料' 
--*/ 
create proc p_getlinkinfo 
@dbname sysname=null, --要查询的数据库名,默认查询所有数据库的连接信息 
@includeip bit=0 --是否显示IP地址,因为查询IP地址比较费时,所以增加此控制 
as 
declare @dbid int 
set @dbid=db_id(@dbname) 

create table #tb(id int identity(1,1),dbname sysname,hostname nchar(128),loginname nchar(128),net_address nchar(12),net_ip nvarchar(15),prog_name nchar(128)) 
insert into #tb(hostname,dbname,net_address,loginname,prog_name) 
select distinct hostname,db_name(dbid),net_address,loginame,program_name from master..sysprocesses 
where hostname'' and (@dbid is null or dbid=@dbid) 

if @includeip=0 goto lb_show --如果不显示IP地址,就直接显示 

declare @sql varchar(500),@hostname nchar(128),@id int 
create table #ip(hostname nchar(128),a varchar(200)) 
declare tb cursor local for select distinct hostname from #tb 
open tb 
fetch next from tb into @hostname 
while @@fetch_status=0 
begin 
set @sql='ping '+@hostname+' -a -n 1 -l 1' 
insert #ip(a) exec master..xp_cmdshell @sql 
update #ip set hostname=@hostname where hostname is null 
fetch next from tb into @hostname 
end 

update #tb set net_ip=left(a,patindex('%:%',a)-1) 
from #tb a inner join ( 
select hostname,a=substring(a,patindex('Ping statistics for %:%',a)+20,20) from #ip 
where a like 'Ping statistics for %:%') b on a.hostname=b.hostname 

lb_show: 
select   id,dbname as '数据库名',hostname as '客户机名',loginname as '用户名'   
,net_address as '网卡物理地址',net_ip as 'IP地址',prog_name as '应用程序名称'   from   #tb 

go  

 

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