SQL

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Introduction to SQL Server Security — Part 3

  • Article

SQL Server supports partially contained databases. This gives you the option of adding database users with a password inside the database. This makes the database easier to move to another instance or participate in an Always On Availability Group. In this article, Robert Sheldon explains how to work with users in contained databases.

2019-03-11

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Empty Thoughts: Working with NULL

  • Article

Whether or not to have NULLable columns in a table can be a religious debate, and how missing data is represented should be carefully considered during database design. In this article, Joe Celko considers the ways that SQL Server handles NULLs in several situations.

2019-02-11

3,289 reads

External Article

Missing Data

  • Article

In the real world of business or scientific reporting and analysis, data can prove to be awkward. It can be plain wrong or it can be altogether missing. Sure, we have the NULL to signify unknown, but that doesn't play well with regular business reporting. There are a number of ways of dealing with missing information, and methods of estimating data from existing data has a long and respectable history. Joe Celko gets to grips with a data topic that is often treated with some trepidation.

2017-11-13

4,133 reads

External Article

SQL Code Smells

  • Article

Some time ago, Phil Factor wrote his booklet 'SQL Code Smells', collecting together a whole range of SQL Coding practices that could be considered to indicate the need for a review of the code. It was published as 119 code smells, even though there were 120 of them at the time. Phil Factor has continued to collect them and the current state of the art is reflected in this article. There are now around 150 of these smells and SQL Code Guard is committed to cover as many as possible of them.

2017-11-06

8,928 reads

Blogs

A New Word: on tenderhooks

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on tenderhooks – adj. feeling the primal satisfaction of being needed by someone, which...

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SQL Server Journey till 2025 (brief)

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Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...

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I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...

how do i map the "current" object entry in for each to one variable

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Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)

By NKTgLaw

SQL Server is typically viewed as a transactional or analytical database engine. However, it...

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Question of the Day

String Similarity I

On SQL Server 2025, when I run this, what is returned?

SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL')

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