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Articles with tag Database Design Rss

Search for any content tagged database design

<< Newer    Items 21 to 40 of 286    Older >>
 

Stairway to Database Design Level 9: Normalization

In the final step of Database Design, Joe Celko gives a simple but effective explanation of the normalization process and why it is important.  Read more...
By Joe Celko 2011/11/11 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 11,046 reads

Stairway to T-SQL DML Level 3: Implementing a Relational Model in SQL Server

This level of the stairway details the creation of a relational database, as well as filling in some of the history of the relational database model.  Read more...
By Gregory Larsen 2011/11/09 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 11,769 reads

Stairway to Database Design Level 8: Cursors

This final level to the first landing completes the basics of a SQL database, by explaining what cursors are and why you should never use them.   Read more...
By Joe Celko 2011/11/02 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 8,480 reads

PASS Data Architecture Virtual Chapter presents Characteristics of a Great Relational Database

On Thursday October 20th ,MVP Louis Davidson will discuss the why normalized databases are the most important part of query tuning  Read more...
By Press Release 2011/10/20 | Source: SQLServerCentral.com | Category: webinar
Rating: (not yet rated)  Rate this |   Briefcase | 1,369 reads

Stairway to Database Design Level 7: Triggers

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.  Read more...
By Joe Celko 2011/09/30 | Category: stairway series
Rating: |  Discuss |   Briefcase | 9,531 reads

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.  Read more...
By Joe Celko 2011/09/21 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 9,986 reads

An alternative to GUIDs

GUIDs are often regarded as a necessary evil but how necessary are they?  Read more...
By David Poole 2011/09/15 | Source: SQLServerCentral.com | Category: guids
Rating: |  Discuss |   Briefcase | 10,352 reads

Third Normal Form

The third article in our series on normalization from Tom Thomson continues with an explanation on what constitutes third normal form.  Read more...
By Tom Thomson 2011/07/28 | Source: SQLServerCentral.com | Category: normalization
Rating: |  Discuss |   Briefcase | 7,367 reads

Yet Another SQL Strategy for Versioned Data

There is a popular design for a database that requires a built-in audit-trail of amendments and additions, where data is never deleted, but superseded by a later version. Whilst this is conceptually simple, it has always made reporting the latest version of data complicated. Alex Kuznetsov joins the debate on the best way of doing this with an example using an indexed view and the filtered index.  Read more...
By Additional Articles 2011/07/15 | Source: SimpleTalk | Category: database design
Rating:  Rate this |   Briefcase | 3,085 reads

Second Normal Form

In this article Tom Thomson takes a look at what second normal form means, how it is violated, and how you can fix it. This is part of our normalization series.  Read more...
By Tom Thomson 2011/07/14 | Source: SQLServerCentral.com | Category: normalization
Rating: |  Discuss |   Briefcase | 7,683 reads

First Normal Form

Learn the basics of first normal form and what that means to a database designer from Tom Thomson.  Read more...
By Tom Thomson 2011/06/30 | Source: SQLServerCentral.com | Category: normalization
Rating: |  Discuss |   Briefcase | 10,396 reads

A Tale of Identifiers

Identifiers aren't locators, and they aren't pointers or links either. They are a logical concept in a relational database, and, unlike the more traditional methods of accessing data, don't derive from the way that data gets stored. Identifiers uniquely identify members of the set, and it should be possible to validate and verify them. Celko somehow involves watches and taxi cabs to illustrate the point.  Read more...
By Additional Articles 2011/06/20 | Source: SimpleTalk | Category: database design
Rating:  Rate this |   Briefcase | 2,605 reads

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  Read more...
By Joe Celko 2011/05/12 | Source: SQLServerCentral.com | Category: database design
Rating: |  Discuss |   Briefcase | 17,208 reads

A Developers' Guide to Refactoring Databases

When Agile meets 'Big Design', the result can be frustration on both sides. Is it possible for database development to to easily coexist with Agile methodologies for application development? Nick suggests that the technical solutions already exist, and the dissonance is more due to cultural and organizational problems  Read more...
By Additional Articles 2011/05/04 | Source: SimpleTalk | Category: check constraints
Rating:  Rate this |   Briefcase | 5,617 reads

An nHibernate Head Scratcher

An interesting mystery on why some nHibernate performance issues might exist on your systems. Read this piece from SQL Server expert David Poole and look to see if this is a problem you can easily solve in your environment.  Read more...
By David Poole 2011/04/11 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 6,044 reads

Database Design Example: Curriculum Vitae

I’ve explained the database design process in a series of articles that you can find here. In this tutorial, I’ll put that information to good use and design a database from the start of the process to the finish. To keep this example to a single article, I’ll not repeat the information from those previous articles, so make sure you look those over before reading this one.  Read more...
By Additional Articles 2011/04/11 | Source: InformIT | Category: database design
Rating:  Rate this |   Briefcase | 5,110 reads

Lipoaspiration in your SQL Server Database

Once, when disk space was at a premium, DBAs fought hard to keep the size of their database down. Now there seems less motivation to 'fight the flab' of a database. Fabiano Amorim was watching television recently when the subject matter, cosmetic surgery, gave him the theme and inspiration for this guide to keeping your database fit and trim.  Read more...
By Additional Articles 2011/03/16 | Source: SimpleTalk | Category: administration
Rating:  Rate this |   Briefcase | 3,856 reads

Look-up Tables in SQL

Lookup tables can be a force for good in a relational database. Whereas the 'One True Lookup Table' remains a classic of bad database design, an auxiliary table that holds static data, and is used to lookup values, still has powerful magic. Joe Celko explains....   Read more...
By Additional Articles 2011/03/04 | Source: SimpleTalk | Category: database design
Rating: (not yet rated)  Rate this |   Briefcase | 7,001 reads

SQL Server: Natural Key Versus Surrogate Key

When designing a database to support applications you need to consider how you are going to handle primary keys. This article explores natural and surrogate keys, and discusses the pros and cons of each, allowing you to determine what makes the best sense in your environment when you are designing your databases.   Read more...
By Additional Articles 2011/02/15 | Source: Database Journal | Category: database design
Rating: (not yet rated)  Rate this |   Briefcase | 4,995 reads

An Introduction to Database Design

An introduction to database design for those people that might not understand what is involved.  Read more...
By Paul White 2013/01/11 (first published: 2011/01/18) | Source: SQLServerCentral.com | Category: database design
Rating: |  Discuss |   Briefcase | 25,259 reads
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