Your application may require an index based on a lengthy string, or even worse, a concatenation of two strings, or of a string and one or two integers. In a small table, you might not notice the impact. But suppose the table of interest contains 50 million rows? Then you will notice the impact both in terms of storage requirements and search performance.… Read more
Like a Phoenix, the dynamic SQL versus canned procedures and user functions argument has resurfaced on the SQL newsgroups. Many of the proponents of the dynamic argument are web or Access developers, or developers of some other front end. Arthur takes another look at the argument.… Read more
This article discusses three common problems DBAs are likely to encounter when columns have an identity property that will auto-increment its value when data is inserted. These problems are humorously referred to as the identity crisis.
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Stored procedures are not the be-all and end-all of managing changes in a database, but they can be very important tools in allowing changes to be made to a database whilst not breaking client applications...… Read more
Do you find indecision each time a purchase decision needs to be made, a requirements analysis can help you provide your boss with information to choose the right software development product.… Read more
Migrating database changes from the development database to the testing, staging, and live databases poses plenty of challenges. Learn why using an automated tool is the best way to deal with these challenges. … Read more