Statistics in SQL: Pearson’s Correlation

Some people will assure you that you can't do any serious statistical calculations in SQL. In the first of a series of articles, Phil factor aims to prove them wrong by explaining how easy it is to calculate Pearson's Product Moment Correlation.

How to partition data in Tabular SSAS

Partitioning data is a standard SQL Server administration practice. Partitions enable independent administration of different slices of data. When a SQL Server Analysis Services (SSAS) tabular data model is developed and processed, data is read from the source system and loaded into the tabular data model configured in In-Memory processing mode. Every time the model is processed, the entire data set may not require re-processing. Only certain slices of data containing changes may require re-processing which can be achieved by partitioning data into logical slices. In this post, Siddharth Mehta looks at how to partition tables in Tabular SSAS.

Byte Me: Diagnosis Data

Comparing SSIS Catalog Contents Using DBFit Framework

When you are doing the rapid deployment of an updated SSIS project, there are a number of things you have to check to make sure that the deployment will be successful. These will include such settings as the values in environment variables, Package parameters and project parameters. The DbFit test framework turns out to be ideal for the purpose of doing final checks as part of a deployment process, as Nat Sundar demonstrates.

The OUTPUT Clause for UPDATE Statements

In this article, I will provide a set of examples to showcase the use of OUTPUT clause in capturing the results of the updated rows into a table variable for the UPDATE statements.

How to style your SQL using SQL Prompt’s new formatting options

Prefer tabs but your teammates use spaces? That's not a problem with the brand new formatting options in SQL Prompt. It's now possible to customize, save, and share multiple styles that you can then quickly switch between when working. Here's how it works, and how to get set up.

SQL Server Temporary Object Caching

Paul White describes temporary object caching in SQL Server – what it is, why it exists, and how to use it to your advantage.

Practical usage of SQLCLR: Building QueryToHtml function

This article shows a few techniques with SQLCLR to to transform a query result into HTML.

Where is my SQL Server Configuration Manager?

If you are running Windows 8 and above, you might have found out that you can’t find SQL Server Configuration Manager in the list of installed applications. Read on to learn how to locate it.

Why Scalar Functions Can Be Costly

Scalar user defined functions can be costly in more ways than you know. Watch Mickey Stuewe show the hidden costs of using them incorrectly.