Wednesday, September 20, 2006

Data Dictionary Queries for SQL Server and Oracle

For SQL Server

--Finding all details of Primary Key constraint
select * from sysobjectswhere xtype='PK'

--Finding all details of Foreign Key constraint
select * from sysobjectswhere xtype='F'

--Finding all User-Defined objects (tables, etc)
select * from sysobjectswhere xtype='U'

--Finding all System objects
select * from sysobjectswhere xtype='S'

--Finding all user names
select * from sysusers

--Finding Column Names of Particular Table
--Select Pubs Database
select c.name from sysobjects o, syscolumns cwhere o.id = c.id ando.name = 'publishers'



For ORACLE
select * from sys.dba_objectswhere owner = 'scott'and object_type='TABLE'
SELECT owner, object_name, object_type FROM sys.dba_objectswhere object_type='SEQUENCE' and owner='scott';

Today I was just trap with some queries and so the solution i come up with

2 comments:

DotNetGuts said...

For getting information about all tables in SQL Server:
SELECT * FROM INFORMATION_SCHEMA.TABLES

For getting information about all columns in SQL Server:
SELECT * FROM INFORMATION_SCHEMA.COLUMNS

DotNetGuts said...

For Getting Data Dictonary Information for User Defined Tables in SQL Server:

SELECT * FROM INFORMATION_SCHEMA.COLUMNS
where Table_Name in (select name from sysobjects where xtype='U')

/* NOTE
1 Copy The Result Data into Excel Sheet
2 Filter the data by AUTO FILTER
3 Now select Table Name and you will get relevant information accordingly
*/

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