Scripts

Technical Article

Script SQL Server DDL

Scripting SQL Server DDLRichard SutherlandIf you buy into the theory that all database objects should be contained in a source management system such as Visual SourceSafe, and that deployment of database projects should be done from the source management system, then the manner in which Microsoft's Visual Studio 2005 Team Edition for Database Professionals [a.k.a., […]

(3)

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2007-08-20 (first published: )

1,422 reads

Technical Article

Prioritize Missing Index Recommendations (2005)

To report indexes proposed by the database engine that have highest probable user impact.  Note that no consideration is given to 'reasonableness' of indexes-- bytes, overall size, total number of indexes on a table, etc.  Intended to provide targeted starting point for holistic evaluation of indexes.

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2007-08-17

1,000 reads

Technical Article

Prioritize Missing Index Recommendations 2 (2005)

This is an enhanced version of my previous script: Prioritize Missing Index Recommendations (2005).To aid in evaluation of whether the recommended index is reasonable, I have added :1. counts for key columns and the total columns of the recommended index  2. the length/bytes for both key and all columns  Note this is 'per row', not […]

(2)

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2007-08-17

1,863 reads

Technical Article

Check if SQL Server version is 2005 or lower

This script shows a simple way to check if the current version of SQL Server is 2005 or lower.It exploits the new server property called 'BuildClrVersion' which is not defined on SQL Server 2000 (and lower) but has just been introduced with 2005.It may be useful to condition the execution of a piece of code […]

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2007-08-16 (first published: )

253 reads

Technical Article

SSRS Multi-Select

Regarding:Multi-Select Parameters for Reporting ServicesRegular Columnist : Adriaan Davel Posted: 08/13/2007  Our solution:Create a table function to parse the values into a table.Usage:In a stored procedure called by SSRS, pass the multi-select values into this function to return a table of key/value pairs.ie:select * from fnCSV_Parse (',' , 'ca,de,ny,wa')yeilds:tblID       Keys-----------------1        […]

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2007-08-13

716 reads

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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