When Should We Be Cleaning Data?
Part of our job as a data professional often deals with the movement and cleaning of data. However, should we be trying to reduce the work we do? Move the burden to the application? Steve Jones has a few comments.
How to Get SQL Server Dates and Times Horribly Wrong
One of the times that you need things to go right is when you are doing analysis and reporting. This is generally based on time and date. A sure-fire way of getting managers upset is to get the figures horribly wrong by messing up the way that you handle datetime values in SQL Server. In the interests of peace, harmony and a long career in BI, Robert Sheldon outlines some of the worst mistakes you can make when using SQL Server dates.
Demystifying the use of CASE in an ORDER BY statement
Chuck Hoffman exposes the mysteries of getting CASE statements to work in dynamic ORDER BY statements.
System Stored Procedures for SQL Azure Linked Servers
Microsoft released the preview version of Azure SQL Database V12 in December of 2014. As a database administrator, you might wonder about the schema and security of these new data marts. Microsoft has supplied system stored procedures for the database developer to query the Linked Servers for this type of meta data, as John Miner explains.
Architecture for Auditing
The way in which auditing is build into our systems isn't the best way to implement the practice.
Data Mining Part 28: Programming with AMO and VB
In this article we will use VB.NET to connect to our Mining Models.
Data Mining Part 28: Programming with AMO and VB
In this article we will use VB.NET to connect to our Mining Models.
The Importance of Database Indexing
In this article, James Munro demonstrates an example of a simple query without an index and then that same query again with the index. A simple introduction to database indexing.
What Not To Say
Steve Jones has some advice for data professionals today. These are a few things that your boss doesn't want to hear, and you probably don't want to say.
Query Folding in Power Query to Improve Performance
In this tip Koen Verbeeck discusses query folding, how you can take advantage from it and how to make sure query folding takes place.
Blogs
T-SQL Tuesday #198 Roundup: How Do You Detect Data Changes?
Thank you to everyone who participated in T-SQL Tuesday #198! When I wrote the...
Optimizing Redshift Performance by Configuring WLM Queues
Efficient query performance in Amazon Redshift often comes down to how well you manage...
PowerShell Strikes Back: Return of the Loop
By gbargsley
Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is...
Forums
Dealing with huge heap tables
Recently, our dev teams approach me for advice on improving their huge heap table...
Merge Replication failing with Error converting data type nvarchar to numeric
After upgrading 2 Merge Replicated databases to SQL 2022 and re-establishing the Merge Replication...
Why Your Index Isn't Being Used? - Reading Execution Plans to Find the Real Culprit
Comments posted to this topic are about the item Why Your Index Isn't Being...
Question of the Day
Distance Metric Algorithms
What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?
See possible answers