Scripts

Technical Article

blocked  and blocker  spid and details

2 steps:step 1 => create   a table in master database called BlockCheckstep 2 =>  create the stored procedure in master  called  BLOCK_CHECK @database_name varchar(20)What SP  does:-    it gets the  spid that is blocked  + info about it (like what it does  at the moment  it is blocked)-    it gets the spid  that  acts as a […]

4 (1)

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2003-06-05

725 reads

Technical Article

Improving performance on joins to large tables.

In your tenure as a DBA/developer, you've probably been asked to write dozens of stored procedures similar to this:CREATE PROCEDURE ContactInfo@ContactID intASSELECT c.Name, a.Address, p.PhoneFROM Contact cLEFT JOIN ContactAddress aON c.ContactID = a.ContactIDLEFT JOIN ContactPhone pON c.ContactID = p.ContactIDWHERE c.ContactID = @ContactIDBut there is a more efficient way to write such a query.....particularly if you […]

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2003-06-03

1,417 reads

Technical Article

Find Duplicate Employees, Customers, Etc.

Customers, employees, etc. come and go.  They get entered multiple times in inconsistent formats in databases.This simple script finds the duplicates across multiple formats and is easily modified as needed.  It's so easy, my grandmother could do it. Oops! No offense Grandma.For very large databases, create and join two temp tables indexed on the namedatetring […]

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2003-05-30

207 reads

Technical Article

Show all User-Defined Datatypes for all Databases

This procedure displays all user-defined datatypes in all databases on a server.  Another example of the power of dynamic T-SQL, this procedure dynamically generates SELECT statements for the systypes tables in each database and UNIONs them together so that they display in one recordset.

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2003-05-30

161 reads

Technical Article

Script to determine if all chars are same in field

This script is a fix to the "Script to determine if all chars are same in field"posted by Harvard Kinkead (hneal_98) . That script doesn't handle strings with trailing spaces (e.g. set @repeat = 'bbbb ')It happens because of the nature of Len function. To bypass this limitation my script concatenates one character to tested […]

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2003-05-29

76 reads

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Azure SQL Database MAXDOP

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Question of the Day

Azure SQL Database MAXDOP

When Azure SQL Database was originally released, the MAXDOP was set to 0 for each new database. In Oct 2025, what is the default value for Azure SQL databases?

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