Scripts

Technical Article

Errorlog Notification

This script Notifies the user(s) whenever there is an Error logged in the Error message. It excludes the Error messages 15457 and 1073759806. These 2 Errors can be ignored. (I know we like to keep our Elogs clean but for some time you need to yield to them J ). You’ll see the first error […]

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2003-10-30

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Technical Article

Join Column Values

This script will join a single selected column from a select statement into a varchar variable. This works similarly to the javascript join function with a few additional features. By default the values will be joined with commas unless an alternate delimiter is supplied. The user can specify if the delimited values should quoted. To […]

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2003-10-30

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Technical Article

User-defined data type dependencies

MSSQLServer has got sp_depends system sp to display the dependencies for a stored procedure, table and view.  sp_depends does not support to display the User-defined data type dependencies.  For custom database, we will create user defined data types (UDDT) and add this UDDT to a column/variable in a table/stored procedure.  This sp (UDTDepends) will help […]

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2003-10-30

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Technical Article

Stabilize Index

This sp is used to update index in a database.  This sp has got three optional varchar parameters.  First parameter will take the tablename. Second parameter will take the indexname.  Third parameter will take the fillfactor.  The following option we can execute the sp in a user database.1.    exec StabilizeIndexIt will update all index in […]

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2003-10-29

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Technical Article

Identify Primary Key Violation Prior to Insert (Updated)

This script allows for testing if rows will cause a primary key violations prior to inserting the data.  Offending rows are stored in a table so they can be used in subsequent queries or used to debug bad data issues. This updated version adds a timestamp to the duplicates table so that identifying when the […]

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2003-10-28

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Technical Article

SQL Server Error Log Manager

Provides a method to regularly recycle the sql server error logs based on a given file size.  If the current log file is larger than that size, then the current log is closed and a new log created.This proc takes one parameter, @MaxFileSize, which is the target file size.  This parameter defaults to 10 MB. […]

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2003-10-27

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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