Joe Celko

Stairway to Database Design

Stairway to Database Design Level 6: Procedure Bodies

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.

1.33 (3)

2019-04-03 (first published: )

12,065 reads

Stairway to Data

Stairway to Data, Level 1: The Basics

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: )

18,929 reads

Stairway to Database Design

Stairway to Database Design Level 2: Domains, Constraints and Defaults

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: )

26,423 reads

Stairway to Database Design

Stairway to Database Design Level 1: Data Elements

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: )

36,445 reads

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