Adding a field to a database table is sometimes not as simple as it may seem. If certain situations are not considered when adding fields, you may find yourself looking at some long nights fixing database code. Today, database consultant Tim Chapman looks at two such scenarios, and how you can plan for their occurrence.
2009-03-04
4,537 reads
Maintaining a database often means schema changes. Before you change or delete anything, be sure to check for dependent objects.
2008-12-11
2,638 reads
In his first article for Simple-Talk, Joe Celko demystifies the use of Constraints, and points out that they are an intrinsic part of SQL and are a great way of ensuring that a business rule is done one way, one place, one time.
2008-10-30
2,846 reads
Inspired by what he recently found in some SQL Server shops, database architect Brian Walker shares advice for improved database design – and SQL Server performance.
2008-10-08
5,952 reads
Inspired by what he recently found in some SQL Server shops, database architect Brian Walker shares advice for improved database design – and SQL Server performance.
2008-09-26
5,999 reads
This paper presents an approach to the definition of function points within database-centric business information systems, the process of counting function points, .
2008-08-12
1,757 reads
Using the W3C OWL ontology standard lets you get more out of all kinds of data. Find out how this standard and some free software lets you query two databases as if they were one.
2008-08-06
2,110 reads
Too often, denormalization is suggested as the first thing to consider when tackling query performance problems. It is said to be a necessary compromise to be made when a rigorous logical design hits an inadequate database system. As the saying goes, “Normalize ‘til it hurts, then denormalize ‘til it works”. In reality, Denormalization always leads eventually to tears.
2008-07-28
7,924 reads
Learn how to build a B-tree similar to those used by databases to implement indexes.
2008-06-25
3,117 reads
Last time, we discussed Table inheritance, which allowed us to easily reduce redundancies in our table design by creating "base" or "super" tables that contain columns and relations that "sub-tables" automatically inherit.
2008-05-28
3,163 reads
By Steve Jones
I can’t remember how I heard about Small Data SF 2024, but it caught...
By Steve Jones
moledro – n. a feeling of resonant connection with an author or artist you’ll...
By Arun Sirpal
Let’s go back to data platforms today and I want to talk about a...
Comments posted to this topic are about the item 7 sept, scheduled book
Comments posted to this topic are about the item 7 sept, schedlued article
Comments posted to this topic are about the item 6 sept, published book
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