List all primary keys
Thanks to Raul Sharma for his brilliant ideas. This is a modification of one of his scripts. The script takes only the user tables. Those tables which does not have PK are not listed!
2001-12-13
753 reads
T-SQL
All Columns from user tables and views
This script lists the columns with type and length. It eliminates system tables.
2001-12-13
786 reads
Pass an Array into a Stored Procedure
Have you ever wished T-SQL allowed you to pass an array into a stored procedure? Well the spListToTable stored procedure listed below accepts a delimeted string and turns it into a table. Code your stored procedure to accept a varchar, create a temporary table, call spListToTable, and use the populated temporary table as if it […]
2001-12-10
2,876 reads
HOWTO: Run Singleton SELECT Queries in a Visual Basic Client
This article demonstrates how to retrieve a single record from SQL Server by using the IRow interface with a singleton SELECT. The main purpose for this technique is to avoid the overhead of creating a recordset when you are fetching a single record. Because no recordset is actually created, only one read-only ADODB.Record is returned. This is true even if the specified SELECT results in multiple records being returned if a normal ADODB.Recordset is used.
2001-11-26
1,684 reads
Loop through records without using a cursor
I sometimes have to loop through records in a database and perform a specific action on the value that is returned. For example, In the script below I loop through the user tables in sysobjects and simply print them out. This technique is useful when dropping all indices/triggers on a particular table, or adding WITH […]
2001-11-25
9,189 reads
Update Foreign Key References
This script updates all foreign key references for the specified table. Useful if you need to delete a row. The follow example would update all uses of TableA.IDENTITYCOL where the value is 1 to the value of 2. Example usage: EXEC usp_updateFK 'TableA', 1, 2
2001-11-03
1,467 reads
A Few Mathematical UDFs
Alexander Chigrik presents a few Math UDFs he has developed for common functions.
2001-10-09
6,033 reads
Disable and Enable Keys (with some validation)
Here are two stored procedures for enabling and disabling all keys (primary and foreign) for a specified database. It makes sure the database specified is not the system databases and the users session is at the DB to have its keys enables/disabled.
2001-09-19
847 reads
Handling Delimited Strings in T-SQL
There may be cases where you want to work with delimited strings in T-SQL. Following two examples will cover most of the stuff that you will face while working with strings.
2001-09-01
3,183 reads
Optimize Character Field Usage
This stored procedure was designed to scan all your character based columns in a particular database and show the minimum, maximum and average data length. As well as give an efficiency rating of the data stored. Input: None Output: Table name, Column name, Defined datatype and length, Average length of data for that column, Minimum […]
2001-08-10
1,698 reads
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Question of the Day
String Similarity I
On SQL Server 2025, when I run this, what is returned?
SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL') See possible answers