Zach Nichter

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SQLServerCentral Article

Writing to a File Using the sp_OACreate Stored Procedure and OSQL: The

SQL Server has extensions to allow one to call COM based objects from within the server using T-SQL. While this is an interesting feature, it's may not be the best way to structure your applications due to performance reasons. New author Zach Nichter of ScalabilityExperts.com brings us an analysis of different ways of writing out to a file from within SQL Server. Read on to see the most efficient method of generating files on your server.

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2006-11-10 (first published: )

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Question of the Day

Adding new column with DEFAULT

Which number will the COUNT() return after executing the following statements: 

DROP TABLE IF EXISTS #test;
CREATE TABLE #test (id INT)
INSERT INTO #test (id)
SELECT *
  FROM GENERATE_SERIES(1, 3) AS gs
;

ALTER TABLE #test ADD flag BIT CONSTRAINT DF_#test_flag DEFAULT 0;
go
UPDATE #test SET flag = 0 WHERE id = 1
UPDATE #test SET flag = 1 WHERE id = 2

INSERT INTO #test (id) VALUES (4)

SELECT COUNT(*)
  FROM #test AS t
 WHERE flag = 0
 

See possible answers