A Few Mathematical UDFs
Alexander Chigrik presents a few Math UDFs he has developed for common functions.
2001-10-09
6,016 reads
T-SQL
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
835 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
3,162 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
1,683 reads
Generate Insert Statements Easily
This script will generate insert statements for the given tables. You can pass the tables names, separated by commas, into sp_DataAsInsCommand stored procedure as in the example below: EXEC sp_DataAsInsCommand 'employee,titleauthor,pub_info' Updated on 5/25/01 to correct an issue with columns that are short like a column defined as char(1), to correct another issue with the […]
2001-08-09
4,643 reads
Find The First Row
Ever needed to find the first occurrance of some data. This article looks at T-SQL querying for data in natural order.
2001-06-29
12,642 reads
ANSI Joins
Are you confused by all this inner join style syntax that is becoming more and more prominent lately? This article by Neil Boyle will help you find your footing in the ANSI join syntax.
2001-05-29
10,586 reads
Blogs
Heading to SQL Bits 2025
By Steve Jones
I’ll be at SQL Bits tomorrow, Saturday Jun 20, 2025 for the final day...
Exploring the Next Gen General Purpose Tier in Azure SQL Managed Instance
By John
In a recent video, I took a hands-on look at the Next Gen General...
Why India’s NEW Tax Regime is a GAME CHANGER for the Job Market
By Rohit Garg
India’s 2025 tax reforms have introduced a bold shift in how income is taxed,...
Forums
SSRS error: The Value for the image 'Image1' has a constant value...
Full error message: SSRS error: The Value for the image 'Image1' has a constant...
XML_COMPRESSION for existing tables
We are in the process of upgrading to SQL Server 2022 and would like...
How to Choose the Right Tool for MS SQL to PostgreSQL Migration
Comments posted to this topic are about the item How to Choose the Right...
Question of the Day
Adding Defaults
I have a table, called dbo.logger, in SQL Server 2022. I decide to add two new columns to this table with this code.
ALTER TABLE dbo.logger ADD CreateDate DATETIME CONSTRAINT dfGetDate DEFAULT GETDATE() GO ALTER TABLE dbo.logger ADD ModifyDate DATETIME DEFAULT dfGetDate GOWhat happens when I run these two batches? See possible answers