Scripts

Technical Article

Formatting Dates

There are many ways to format dates, and rather that reinvent the wheel each time I've found it helpful to have a user defined function always available. As a function it of courses processes on each row, and to enable the most flexibility the formatting style is passed simply as a parameter. Year month and […]

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2005-08-31 (first published: )

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Technical Article

Drop all Databases (+the option to exclude one)

I made this Query because we fix databases localy on a workstation (we have no sql server) but when backup up the server they need to be deleted localy that could sometimes take a while.U can run this Query from the QA or ad it as a Job it's possible to run it from an […]

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2005-08-26 (first published: )

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Technical Article

Enterprise Manager Single Diagram Copy Script

This procedure will COPY an Enterprise Manager SINGLE DIAGRAM object between databases on a given SQL Server.This procedure takes in a source DB name, a Dest DB name, and the Diagram name.(Exec diagram_copy 'SOURCE_DB', 'DEST_DB', 'DIAGRAM NAME')This procedure DOES NOT have to be placed in either of the databases, you may run it from a […]

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2005-08-25 (first published: )

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Technical Article

Pad String

Pads a string on either with either leading or trailing characters. You specify the direction, the tolal string length and the character to pad with.Error conditions return null

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2005-08-19 (first published: )

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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