Scripts

Technical Article

Kill Processes in a Database

This script kills all the processes using a given database.  It is useful for removing users from a database so it can be restored.To use this script change the server variable and the database variable at the top of the script.  Notifications are written to the windows application eventlog.Use this script at your own risk. […]

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2002-07-12

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Technical Article

Script to create a standby database server.

This script will do a full backup and transaction log backup of all the user database on the primary server and restore it over to the secondary server. The full backup/restore runs once every day and the transaction log backup/restore runs every minutes. Just provide the name of the primary and the secondary server and […]

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2002-07-12

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Technical Article

A new version of RowCount

Hello,Here is a (another one, but improved) stored procedure that returns rowcounts for all tables in the current database, or only for @tablename, if provided. Output can be ordered by name or by number of rows.Improvement : Rowcount is right aligned and formatted with thousand separator.To use it : - open a connection on your […]

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2002-07-11

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Adding new column with DEFAULT II

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Question of the Day

Adding new column with DEFAULT II

Which number did the two COUNT(*) return:

DROP TABLE IF EXISTS #tmp
CREATE TABLE #tmp (id INT NOT NULL)

INSERT INTO #tmp (id) 
SELECT gs.value
  FROM GENERATE_SERIES(1, 5) AS gs

ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value

ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

See possible answers