Loop through database tables and columns

Dushyanth Jyothi — Wed, 15 Jul 2009 10:50:06 +0000

T-SQL code [Stored Procedure] to loop through all tables and all columns in a database

Applies to MS SQL SERVER 2008

Change [DATABASE_NAME],[SCHEMA_NAME],[USER_NAME] accordingly

Stored Procedure:
USE [DATABASE_NAME] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE PROC [SCHEMA_NAME].[loop_Through_Tables_Columns] AS BEGIN


	SET NOCOUNT ON

	DECLARE @TableName nvarchar(256)

	DECLARE @ColumnName nvarchar(128)

	SET  @TableName = ''
	WHILE @TableName IS NOT NULL

	BEGIN

		SET @ColumnName = ''

		SET @TableName =

			(SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)) FROM INFORMATION_SCHEMA.TABLES

				WHERE TABLE_TYPE = 'BASE TABLE' /**You can remove this condition to go thourgh with both views and tables**/

					AND	 QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) > @TableName

					AND	OBJECTPROPERTY(

						OBJECT_ID(

							QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)

							 ), 'IsMSShipped'

						       ) = 0

			)
		PRINT 'TableName:  '+ CAST(@TableName AS CHAR)
			WHILE (@TableName IS NOT NULL) AND (@ColumnName IS NOT NULL)

			BEGIN

				SET @ColumnName =

				(

					SELECT MIN(QUOTENAME(COLUMN_NAME))

					FROM INFORMATION_SCHEMA.COLUMNS

					WHERE TABLE_SCHEMA	= PARSENAME(@TableName, 2)

						AND	TABLE_NAME	= PARSENAME(@TableName, 1)

						/**You you want to go thourgh with certain type of data types**/

						AND	DATA_TYPE IN('char','varchar','nchar','nvarchar','text','ntext','image','xml','varbinary')

						AND	QUOTENAME(COLUMN_NAME) > @ColumnName

				)

				PRINT 'ColumnName:  '+ CAST(@ColumnName AS CHAR)

			END

	END

END GRANT EXECUTE ON [SCHEMA_NAME].[loop_Through_Tables_Columns] to USER_NAME

Execute Stored Procedure:

EXEC [SCHEMA_NAME].[loop_Through_Tables_Columns]

Dushyanth Jyothi » MS SQL SERVER

Loop through database tables and columns