Free SQL Book!!!
Akeel Din has written an introductory SQL book that is available for free in PDF form. It's also available in print from Amazon if you like holding something real in your hands.
2004-09-28
6,070 reads
Additional Articles
Difference between dates: Time Format
This function returns the difference between dates in the HH:MM:SS format.
2004-09-27 (first published: 2004-03-08)
105 reads
Dimensional Databases: Building A Data Warehouse
A basic look at how you can start to build a data warehouse. This has some basics you need to do the design of the various fact and dimension tables.
2004-09-27
5,004 reads
2004-09-25
73 reads
2004-09-25
56 reads
2004-09-25
580 reads
2004-09-25
75 reads
spilt function
Many a times we need to split a string into its indivisual words and return a array like the Split function of Visal Basic which accepts a delimeter. Here is a script which assumes the delimeter to be the space character and works in a similar method.
2004-09-24 (first published: 2004-03-25)
153 reads
Not All SQL Server Indexes Are Created Equal
Just because a column has an index doesn't mean the SQL Server Query Analyzer will use it. Learn how to create indexes SQL Server will use.
2004-09-24 (first published: 2001-04-22)
4,826 reads
Systems Thinking
J.D. Edwards was big on Systems Thinking, a way of looking at your systems and improving their functions. It was applied it to IT to become one of the top IT organizations to work for. Read some of these articles for an overview of how this works.
2004-09-24
2,685 reads
Blogs
Why Microsoft Fabric Signals the Next Wave of Data Strategy
By Chris Yates
In today’s data-driven economy, organizations are no longer asking if they should invest in...
PostgreSQL Timeline: History and Evolution
By Rohit Garg
PostgreSQL, often referred to as Postgres, is a powerful, open-source object-relational database system that...
Understanding Zonal Redundancy in Azure SQL MI
By Arun Sirpal
Do you know what happens when you enable zonal redundancy for your SQL managed...
Forums
How a Legacy Logic Choked SQL Server in a 30-Year-Old Factory
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Databases and Disasters
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Automating SQL Server Access Review
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Question of the Day
The Updated Columns List
I have this table in SQL Server 2022:
CREATE TABLE CustomerLarge (CustomerID INT NOT NULL IDENTITY(1, 1) CONSTRAINT CustomerLargePK PRIMARY KEY CLUSTERED , CustomerName VARCHAR(20) , CustomerContactFirstName VARCHAR(40) , CustomerContactLastName VARCHAR(40) , Address VARCHAR(20) , Address2 VARCHAR(20) , City VARCHAR(20) , CountryCode CHAR(3) , Postal VARCHAR(20) ) GOIf I check the columns_updated() function return in a trigger, what is the data returned? See possible answers