Email addresses are very prevalent in IT systems and often used as a natural primary key. The repetitive storage of email addresses in multiple tables is a bad design choice. Following is a design pattern to store email addresses in a single table and to retrieve them efficiently.
2017-09-15 (first published: 2015-09-24)
8,680 reads
Data Compression and Snapshot Isolation don't play well together, you may not see a performance benefit
2014-10-02
3,700 reads
2025 exposed a growing gap between AI ambition and operational reality. As budgets tightened...
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,...
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?
See possible answers