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The Elusive Conditional WHERE Clause

What's this, a conditional WHERE clause that doesn't use dynamic SQL?  Read more...
By John Hick 2015/04/17 (first published: 2013/04/18) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 30,397 reads

Webinar: Wait, what exactly are we shipping? Keeping control in database continuous delivery

Join us on Tuesday 28th April at 4pm BST (11am EDT) for a free webinar panel discussion featuring Brian A. Randell, Grant Fritchey, Steve Jones, and host, Stephanie Herr, on the topic of maintaining visibility and control in database continuous delivery.   Read more...
By Press Release 2015/04/17 | Source: Red-Gate | Category: webinar
Rating: (not yet rated)  Rate this |   Briefcase | 3,365 reads

How DBAs Can Adopt the Craftsman Mindset

The job of a DBA requires a fusion of skill and knowledge. To acquire this requires a craftsman mindset. Craftsmen find that the better they get at the work, the more enjoyable the work gets, and the more successful they become. Deliberate practice, Specialization and an appetite for overcoming difficulty are good habits to deliberately adopt to successfully grow those craftsmanlike skills to the point that you become “so good they can’t ignore you”.  Read more...
By Additional Articles 2015/04/17 | Source: SimpleTalk | Category: dba skills
Rating:  Rate this |   Briefcase | 3,525 reads

How to Categorize Uncategorized Data

Using SQL to perform cluster analysis to gain insight into data with unknown groups  Read more...
By Stephan Calderon 2015/04/16 | Source: SQLServerCentral.com | Category: cluster analysis
Rating: |  Discuss |   Briefcase | 3,189 reads

Microsoft® SQL Server® 2014 Service Pack 1 (SP1) released

Service Pack 1 for SQL Server 2014 has been released.  Read more...
By 2015/04/16 | Source: Microsoft SQL Home | Category: sql server 2014
Rating:  Rate this |   Briefcase | 5,780 reads

Selecting Data Using the TOP Clause

There are times when you don’t what to return a complete set of records. When you have this kind of requirement to only select the TOP X number of items Transact SQL (TSQL) has the TOP clause to meet your needs. In this article Greg Larsen explores how to select a subset of data from a record set.  Read more...
By Additional Articles 2015/04/16 | Source: Database Journal | Category: top
Rating:  Rate this |   Briefcase | 5,002 reads

Stairway to SQL Server Security Level 8: Data Encryption

This stairway level will explore data protection through encryption, both when the data is in motion across the network or in memory and at rest in a table. You’ll learn about the encryption key hierarchy and the various kinds of keys you can use to encrypt data, as well as how you can manage the keys or let SQL Server do it for you.  Read more...
By Don Kiely 2015/04/15 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 2,386 reads

Free eBook: Defensive Database Programming

Resilient T-SQL code is code that is designed to last, and to be safely reused by others. The goal of defensive database programming, the goal of this book, is to help you to produce resilient T-SQL code that robustly and gracefully handles cases of unintended use, and is resilient to common changes to the database environment.  Read more...
By Press Release 2015/04/15 (first published: 2013/08/28) | Source: Red-Gate | Category: defensive programming
Rating: (not yet rated)  Rate this |   Briefcase | 55,840 reads

SQL Server Spatial Indexes

Spatial Data in SQL Server has special indexing because it has to perform specialised functions. It is able, for example, to break down an indexed space into a grid hierarchy by using a technique called tessellation. This is a rules-based system that, when you compare a shape to an index, works out how many cells in the the grid hierarchy are touched by that shape , and how deep down the grid hierarchy to search. There is powerful magic in Spatial Indexes as Surenda and Roy explain.  Read more...
By Additional Articles 2015/04/15 | Source: SimpleTalk | Category: spatial data
Rating:  Rate this |   Briefcase | 3,163 reads

Using LAST_VALUE

When I began using LAST_VALUE, the results were not what I expected at all. Read on to learn the secret!  Read more...
By Kathi Kellenberger 2015/04/14 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 13,137 reads
 
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Question of the Day

ISNULL vs COALESCE

By below86 2015/04/17 | Category: t-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 1,050 reads

DECLARE @char AS CHAR(1);
SET @char = NULL;
SELECT
        ISNULL(@char, 0);
SELECT
        COALESCE(@char, 0);
SET @char = 'E';
SELECT
        ISNULL(@char, 0);
SELECT
        COALESCE(@char, 0);

What is returned by the 4 queries above?

  Read more...
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