Generate a Temporary table definition to match a resultset.sql

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Author: David Fowler
Revision date: 21/08/2017
Version: 1

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SET NOCOUNT ON
 
DECLARE @Query VARCHAR(MAX) = 'select * from sys.databases'
DECLARE @TempTableName VARCHAR(128) = '#temptable'
DECLARE @ColumnList VARCHAR(MAX)
 
SELECT @ColumnList = STUFF((SELECT ',' + name + ' ' + system_type_name + ' ' +
CASE is_nullable WHEN 0 THEN 'NOT NULL' ELSE 'NULL' END
+ CHAR(10)
FROM sys.dm_exec_describe_first_result_set(@Query, NULL, 0)
FOR XML PATH('')) ,1,1,'') 
 
PRINT 'CREATE TABLE ' + @TempTableName + '('
PRINT @ColumnList
PRINT(')')