What does SQL NULL mean and how to handle NULL values
This tip will help you understand what NULL means and different ways to handle NULL values when working with SQL Server data.
2024-07-08
This tip will help you understand what NULL means and different ways to handle NULL values when working with SQL Server data.
2024-07-08
Steve sees that poor database design is the reality of the world and we have to work around that.
2024-06-07
156 reads
Ever wonder all the reasons that we use databases instead of file systems? While we don’t think of it too much anymore, the first reason that databases came into existence was to remove redundancies.
2024-04-12
2023-11-27
4,502 reads
When designing a database, choosing good datatypes is important, but not necessarily all the time. Today Steve wonders if you still use fixed sting data types.
2022-02-11
205 reads
Georg Ferdinand Ludwig Philipp Cantor is considered the creator of set theory, and his theories are the basis for the naïve set theory you learned in school. But there are lots of other mathematicians you should know, such as Hilbert, Frege, Russell, Zermelo and Dedekind. They made a lot of contributions, too. Hilbert Hilbert is […]
2021-01-19
5,566 reads
How you name data elements in databases and applications programs has often been a matter of personal taste. Decades ago, when I worked for state government, there is a COBOL programmer who would pick a theme for his programs. The paragraphs and variables would be named based on the current theme. One of his programs […]
2021-01-11
2,045 reads
In Part 1 we presented some foundation knowledge with which to debunk misconceptions lurking in the "data models" mess in the industry that Friesendal has tried to catalog. In...
2019-05-04
Phil Factor feels that the database gets the short shrift in any outage - it's time to stop saying "the database has gone down" and time to start thinking about the resilience of the entire system.
2019-05-04
465 reads
"How do I restore a SQL Server backup to a previous version of SQL Server?" is a commonly-asked question. The answer, of course, is you don't - but if you must, there may be some solutions.
2019-05-03
By Steve Jones
vicarous – adj. curious to know what someone else would do if they were...
Say we have a database that we want to migrate a copy of into...
We are trying to get apps and users off of using SQL accounts to...
Hi I have this view to check if a job is running: SELECT...
All, if you are like me and do not care for the built-in color...
Certain internal SQL Server actions cause internal checkpoints. Which of these actions does not cause an internal checkpoint?
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