MS SQL Server – Loop through database tables and columns

Test Environment: MS Server 2008

Stored procedure to loop through all tables and all columns in a database

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

Transact-SQL
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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:

Transact-SQL
1
EXEC [SCHEMA_NAME].[loop_Through_Tables_Columns]