Advanced

Using Views to Enforce Business Rules

  • Article

A view is most commonly thought of as a SELECT statement. Most developers will simply create a view to "group" complex SELECT statements for reuse within another view or stored procedures. It makes typing easier! But the really power of views is their ability to implement business rules.

2007-04-23

4,528 reads

Sic Semper NULL

  • Article

The great debate over NULLs will probably never end. Should we use them in our databases? What meaning do they have? These are all
valid questions. In this article SQL Server expert Michael Coles takes a look at the problems that are inherent in eliminating NULLs completely from
a database.

5 (2)

2007-04-10

5,895 reads

Database Design: A Point in Time Architecture

  • Article

In most relational database implementations. Update and Delete commands destroy the data that was there prior to their issue. However, some systems require that no information is ever physically deleted from or updated in the database. In this article, Arthur Fuller presents a solution to this requirement in the form of a Point-in-Time architecture: a database design which allows a user to recreate an image of the database as it existed at any previous point in time, without destroying the current image.

2007-02-28

3,723 reads

Refactoring Databases: The Process

  • Article

This article describes how to implement a single refactoring within your database. It contains a worked example of the Move Column structural refactoring, whereby we move the Customer.Balance column to the Account table, a seemingly straightforward change to improve the database design.

2007-01-16

3,244 reads

Table Defaults

  • Article

In working on an existing database, DBAs often look to normalize tables and correct obvious flaws in design. Recently Andy Warren was working on a consulting project and realized that defaults would prevent many issues.

4.4 (5)

2007-12-28 (first published: )

7,173 reads

Design Challenge: Global Address

  • Article

Are you up to the latest design challenge? A great way to sharpen our analysis and modeling skills is to continuously address real-world scenarios. A modeling scenario with suggested solutions appears each month in this Design Challenge column. The scenario is emailed to more than 1,000 modelers. The responses are then consolidated into this column.

2006-10-16

2,039 reads

Blogs

Azure Platform Series: How to setup Azure Cloud Shell

By

This blog post will be a series on the Azure Platform and some things...

Daily Coping 5 June 2020

By

I’ve started to add a daily coping tip to the SQLServerCentral newsletter and to...

Use Chocolatey to Install Multiple SQL Server 2019 Instances for Testing

By

I’m working on a project where it’s useful to automate environment setup and teardown...

Read the latest Blogs

Forums

How to generating Excel File with multi sheet by using SQL server 2012?

By ahmed_elbarbary.2010

I need to create stored procedure or query or any thing on SQL server...

performance tuning for a subquery

By rohitkocharda

Hey Guys I have a quick questions regarding a better way to write a...

Maximum number of users that can simultaneously log in SQL 2016

By SQL_Hunt

Hello, By default, SQL Server allows a maximum of 32767 concurrent connections which is...

Visit the forum

Ask SSC

SQL Server Q&A from the SQLServerCentral community

Get answers