If you need to alter existing datatypes in the event of a SQL Server Datatype issue for capacity planning or conversion process this simple schema script may come in handy
2007-10-02 (first published: 2002-06-20)
15,432 reads
Alteration of Data Types
-- Alteration of existing data types
-- Allows the existing data type to be changed as runnable
-- Script
-- Cr Date; 03-14-2003
-- Jbabington@hotmail.com
-- Data types are defined in the where clause
-- Only use the CHARACTER_MAXIMUM_LENGTH values with caution
-- Data type usage issues should be used only by highly
-- Exp.dba as there are negative implications if not
-- followed correctly
SELECT 'ALTER TABLE '
+ Table_name + ' ALTER COLUMN '
+ Column_name + ' '
+ data_type + ''
--+ '(' +CAST(CHARACTER_MAXIMUM_LENGTH AS Varchar)+ ')'
FROM INFORMATION_SCHEMA.COLUMNS
--WHERE data_type = 'numeric' Related content
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