Every once in awhile a table gets created without a primary key and duplicate records get entered. The problem gets even worse when you have two identical rows in the table and there is no way to distinguish between the two rows. So how do you delete the duplicate record?
2020-09-11
Do table variables and variables respect transactions? If we set the value of a variable during a transaction, and we roll it back, what happens?
2020-09-09
Inline Table Valued Functions (iTVFs) are one type of user defined function that is available to implement in SQL Server since SQL Server 2000.
iTVFs remain a very useful tool in our SQL armoury, so let's quickly revisit them and the different ways we can use them in our code.
2020-10-07 (first published: 2020-09-08)
44,067 reads
2020-09-07
763 reads
A proper relationship between two people, places or things improves the communication between them. In every real-world based application, this logic holds and a database is no different. This article discusses the different relationship types possible between database objects. The designing of these relationships between them is called modeling, and the three types of relationships […]
2020-08-31
7,506 reads
This tip looks at using artificial intelligence models with SQL Server to predict outcomes.
2020-08-21
2020-07-27
617 reads
2020-07-06
754 reads
Use T-SQL to analyse the usage of all variables and parameters in an SSIS project, including the identification of any unused variables and parameters.
2020-06-23
8,162 reads
2020-06-16
621 reads
By Brian Kelley
There's a great article from MIT Technology Review about resetting on the hype of...
By Steve Jones
etherness – n. the wistful feeling of looking around a gathering of loved ones,...
By Steve Jones
A customer was asking about tracking logins and logouts in Redgate Monitor. We don’t...
Comments posted to this topic are about the item The Max PK Length
Comments posted to this topic are about the item My experience using the GitHub...
Comments posted to this topic are about the item The Microsoft SQL Year in...
If I create a multiple column Primary Key constraint, what is the most number of bytes I can include in the constraint?
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