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Retrieve information about database objects from system tables

Posted Date: 14 May 2008	Resource Type: Code Snippets	Category: SQL
Author: Shivshanker Cheral	Member Level: Diamond
Rating:	Points: 10

-- Selecting All tables
SELECT * FROM SYS.TABLES

-- selecting all error messages
SELECT TOP 20 * FROM MASTER.DBO.SYSMESSAGES

-- Selecting All system Data Types
SELECT * FROM SYS.TYPES

-- Selecting All Column Names
SELECT * FROM SYS.COLUMNS

-- sELECT ALL SYSTEM PERMISSIONS
SELECT * FROM SYS.SERVER_PERMISSIONS

-- Data Base Information including their .mdf file address
SELECT * FROM SYS.SYSDATABASES

-- LISTS FOR CURRENT DATABASE FILES
SELECT * FROM SYS.SYSFILES

Responses

Author: karthik 16 May 2008

Member Level: Diamond Points : 2

--- selecting 5 th highest value from the table

SELECT TOP 1 id
FROM
(SELECT TOP 5 id
FROM tableA
ORDER BY id ASC) top5
ORDER BY id DESC

Author: karthik 16 May 2008

Member Level: Diamond Points : 2

Get the count of columns in table

select count(name) from syscolumns where id=(select from sysobjects where name='tablename')

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