Why column rename script generated by SSMS uses temporary name?

Posted by abatishchev on Stack Overflow See other posts from Stack Overflow or by abatishchev
Published on 2010-06-13T09:55:09Z Indexed on 2010/06/13 10:02 UTC
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Filed under:

tsql

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column

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SSMS

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sql-server-2008-r2

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change-script

When I rename a table column in Designer mode in SQL Server Management Studio 2008 (both R2 and non-R2) and generate a change script it looks like this:

EXECUTE sp_rename N'table.column', N'Tmp_columnNew', 'COLUMN' 
GO
EXECUTE sp_rename N'table.Tmp_columnNew', N'columnNew', 'COLUMN' 
GO

What for temporary column name is used? Why don't rename at once?

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