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Content with tag Database Design Rss

<< Newer    Items 41 to 60 of 303    Older >>

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for a database that requires a built-in audit-trail of amendments and additions, where data is never deleted, but superseded by a later version.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 | 3,067 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: | Category: normalization
Rating: |  Discuss |   Briefcase | 7,672 reads

Implementing Queuing Mechanism

Implementing a queue table in SQL server 
By Harsha Majety 2011/07/12 | Source: | Category: database design
Rating: |  Discuss |   Briefcase | 1,071 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: | Category: normalization
Rating: |  Discuss |   Briefcase | 10,380 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 | 2,589 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: | Category: database design
Rating: |  Discuss |   Briefcase | 16,879 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 | 5,590 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: | Category: performance tuning
Rating: |  Discuss |   Briefcase | 6,040 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 | 5,096 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 | 3,828 reads

Table Design

By bitbucket-25253 2011/03/07 | Category: database design
Rating: (not yet rated) |  Discuss |   Briefcase | 3,077 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 | 6,927 reads

Stairway to Database Design

New to the task of designing and creating a database? Joe Celko, who is one of the most widely read of all writers about SQL, explains the basics. As usual, he comes up with the occasional surprise for even the most seasoned database professional. Joe was the winner of the DBMS Magazine Reader's Choice Award four consecutive years. He has taught SQL in the US, UK, the Nordic countries, South America and Africa. He served 10 years on ANSI/ISO SQL Standards Committee and contributed to the SQL-89 and SQL-92 Standards.   Read more...

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 | 4,962 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: | Category: database design
Rating: |  Discuss |   Briefcase | 25,207 reads

Effective Clustered Indexes

As a guideline, clustered Indexes should be Narrow, Unique, Static and Ever Increasing (NUSE). Michelle Ufford Explains why.   Read more...
By Additional Articles 2011/01/17 | Source: SimpleTalk | Category: indexing
Rating:  Rate this |   Briefcase | 4,168 reads

Natural vs. Surrogate Keys in SQL Server : Getting the Proper Perspective

This article demonstrates the relative merits of natural and surrogate keys and benchmarks their performance in different scenarios.  Read more...
By Additional Articles 2011/01/10 | Source: SQL Server Performance | Category: database design
Rating: (not yet rated)  Rate this |   Briefcase | 4,054 reads

Disk Is Cheap! ORLY?

People often conclude that the cheap price of storage is a license to use as much as possible, but there is a cost.  Read more...
By Solomon Rutzky 2013/10/25 (first published: 2010/12/31) | Source: | Category: data-modeling
Rating: |  Discuss |   Briefcase | 13,477 reads

Denormalization in SQL Server for Fun and Profit

Normalization is standard practice in database design, however, an over-normalized database can have issues. This article examines the case for denormalization.  Read more...
By Additional Articles 2010/12/09 | Source: SQL Server Performance | Category: denormalization
Rating:  Rate this |   Briefcase | 4,400 reads

Improving Database Design and Performance Using Compression

This article attempts to show a practical scenario on improving DB design and performance through row density and compression in Microsoft SQL Server 2008.  Read more...
By Suresh Maganti 2010/11/18 | Source: | Category: database design
Rating: |  Discuss |   Briefcase | 8,570 reads
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