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Content with tag Database Design Rss

<< Newer    Items 21 to 40 of 319    Older >>
 

Database Design Follies: NULL vs. NOT NULL

It sounds simple enough. Either your column will always have a value or it may not. Yet somehow such a seemingly simple decision can become a never-ending debate where database schema begins to resemble superstition and designing effective tables seems more contentious than you expected it to be.  Read more...
By Edward Pollack 2016/02/26 (first published: 2014/10/30) | Source: SQLServerCentral.com | Category: null
Rating: |  Discuss |   Briefcase | 17,450 reads

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.  Read more...
By Joe Celko 2016/06/01 (first published: 2010/05/04) | Source: SQLServerCentral.com | Category: database design
Rating: |  Discuss |   Briefcase | 25,902 reads

Is a Primary Key an index?

By Phil Factor 2014/07/16 | Category: database design
Rating: (not yet rated) |  Discuss |   Briefcase | 2,707 reads

It's Not All About The Keys

By Andy Warren 2014/04/14 | Category: foreign keys (fk)
Rating: (not yet rated) |  Discuss |   Briefcase | 2,240 reads

EAV

By Steve Jones 2014/01/06 | Category: database design
Rating: (not yet rated) |  Discuss |   Briefcase | 1,830 reads

Free eBook: 45 Database Performance Tips for Developers

As a developer, if you need to go into the database and write queries, design tables, or determine the configuration of your SQL Server Systems, these tips should help make sure you're not unnecessarily sacrificing database performance. This eBook has 45 easy tips to improve the performance of your indexes and T-SQL queries, and hunt down problems within ORM tools and database design.   Read more...
By Press Release 2014/01/02 (first published: 2013/11/04) | Source: Redgate | Category: tips
Rating:  Rate this |   Briefcase | 16,861 reads

Free eBook: 45 Database Performance Tips for Developers

As a developer, if you need to go into the database and write queries, design tables, or determine the configuration of your SQL Server Systems, these tips should help make sure you're not unnecessarily sacrificing database performance. This eBook has 45 easy tips to improve the performance of your indexes and T-SQL queries, and hunt down problems within ORM tools and database design.   Read more...
By Press Release 2014/01/02 (first published: 2013/11/04) | Source: Redgate | Category: tips
Rating:  Rate this |   Briefcase | 16,861 reads

Normalizing-Denormalized Tables

Explains how to normalize a table without breaking the application or doing any application code changes.  Read more...
By Mohit K. Gupta 2013/11/01 (first published: 2008/11/10) | Source: SQLServerCentral.com | Category: normalization
Rating: |  Discuss |   Briefcase | 22,156 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: SQLServerCentral.com | Category: data-modeling
Rating: |  Discuss |   Briefcase | 13,632 reads

Stairway to Database Design Level 4: Building a Schema

Having described tables, Joe Celko explains how to make them work together as a database and touches on what Entity Relationships and Views are.  Read more...
By Joe Celko 2013/10/16 (first published: 2010/08/18) | Source: SQLServerCentral.com | Category: database design
Rating: |  Discuss |   Briefcase | 17,565 reads

Stairway to Database Design Level 3: Building Tables

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.  Read more...
By Joe Celko 2013/09/18 (first published: 2010/05/25) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 19,790 reads

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.  Read more...
By Joe Celko 2016/06/01 (first published: 2010/05/04) | Source: SQLServerCentral.com | Category: database design
Rating: |  Discuss |   Briefcase | 25,902 reads

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...  Read more...
By Joe Celko 2013/07/03 (first published: 2010/04/27) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 35,674 reads

Natural Born Killers (The series) – Day 2 Table Design

To those that don’t know me “Natural Born Killers (The Series)” sounds like a very strange choice for a SQL...  Read more...
By Richard Douglas 2013/06/21 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 2,632 reads

Natural Born Killers (The series) – Day 1 Statistics

To those that don’t know me “Natural Born Killers (The Series)” sounds like a very strange choice for a SQL...  Read more...
By Richard Douglas 2013/06/20 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 3,095 reads

Relational Model versus XML

By Luis Taveras 2013/01/24 | Category: database design
Rating: (not yet rated) |  Discuss |   Briefcase | 2,288 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 | 25,377 reads

Designing Databases for Rapid Resilience

As the volume of data increases, DBAs need to plan more actively for rapid restores in the event of failure. For this, the intelligent use of filegroups is important, particularly when the Enterprise Edition of SQL Server offers the hope of online restores. How, though, should you arrange your data on the different filegroups? What happenens if the primary filegroup gets corrupted? Why backup and restore indexes?  Read more...
By Additional Articles 2012/11/13 | Source: SimpleTalk | Category: resilience
Rating:  Rate this |   Briefcase | 2,751 reads

Duplicate Foreign Key

By Lokesh Vij 2012/10/23 | Category: foreign keys (fk)
Rating: (not yet rated) |  Discuss |   Briefcase | 2,109 reads
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