Having covered the procedure headers in SQL Server in the previous level, Joe tackles the subject of the contents of stored procedures. In this level, he outlines limitations of TSQL as a procedural language, and what you need to bear in mind when deciding how to use them.
2019-04-03 (first published: 2011-09-21)
12,175 reads
A great deal of the confusion that occurs when a database application is developed comes from a poor understanding of the basics of data. Here, Joe Celko gives a broad coverage of the difficulties you're likely to meet when handling data in databases.
2019-02-06 (first published: 2011-05-12)
19,084 reads
In the final step of Database Design, Joe Celko gives a simple but effective explanation of the normalization process and why it is important.
2018-02-21 (first published: 2011-11-11)
13,209 reads
In levels one to four, we built the tables, base and virtual, of a schema. Levels five and six dealt with stored procedures. This level deals with a feature you need to avoid as much as possible; this is article is on Triggers.
2018-01-24 (first published: 2011-09-30)
11,122 reads
Joe Celko tackles the subject of the Stored Procedure and its place in database design. What he writes is food for thought, even for experienced database developers.
2017-10-25 (first published: 2010-08-25)
14,672 reads
A clear understanding of SQL Data Types and domains is a fundamental requirement for the Database Developer, but it is not elementary. If you select the most appropriate data type, it can sidestep a variety of errors. Furthermore, if you then define the data domains as exactly as possible via constraints, you can catch a variety of those problems that would otherwise bedevil the work of the application programmer.
2016-06-01 (first published: 2010-05-04)
26,542 reads
Having described tables, Joe Celko explains how to make them work together as a database and touches on what Entity Relationships and Views are.
2013-10-16 (first published: 2010-08-18)
18,030 reads
There are several types of tables, each with their special requirements for rules and integrity constraints. Whatever the requirement, table-level constraints will ensure that the rules are enforced and data integrity is maintained.
2013-09-18 (first published: 2010-05-25)
20,367 reads
Before you start to think about your database schema or tables, you need to consider your data: the type of data it is, the scale you use for values. It needs to be unique, precise and unambiguous. Then you need to name it in such a way that it can be generally understood. Joe Celko explains...
2013-07-03 (first published: 2010-04-27)
36,625 reads
As part of the LAMP stack, MySQL is incredibly important for providing a reliable and platform-agnostic database platform for web development. This level looks at the syntax of MySQL and how to best port SQL code to a MySQL environment.
2012-12-05
4,120 reads
By James-Serra
As a followup to my blog post Azure Data Lake Store Gen2 is GA,...
As always, the scripts in this post can also be found on our Git...
I ran into a rather obscure permissions problem the other day. Since I wasn’t...
Comments posted to this topic are about the item On Looking and Acting the...
problem How to make group by Revision_ID and when repeated display last check date...
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