Azure SQL Database Virtual Network Service Endpoints and Rules
One of the most commonly requested Azure SQL Database features has been support for more granular control of server-level firewall settings. A recently announced public preview of Azure SQL Database and Data Warehouse VNET service endpoints and rules promises to address this limitation.
Bones of SQL – Grouping By User-Defined Calendar Periods
Although it is common to group by periods such as Week, Month, or Quarter, sometimes alternative periods are needed. This simple technique lets you split a year into periods with any number of days.
How Much Data Has Changed Since Your Last Full Backup
Have you ever wanted to know how many pages in your database have changed since the last full backup? If so, then you will be glad to hear that the SQL Server 2017 version of the DMV, sys.dm_db_file_spavce_usage, has a new column named modified_extent_page_count, which shows the number of pages that have changed since the last full backup.
How to store Excel files In SQL Table
This article will show how to store images, document and all other files in SQL Table.
SQL Server Internals: In-Memory OLTP
In this book, Kalen Delaney explains how the 2016 In-Memory OLTP engine works, how it stores and manipulates data, and how, even with all data stored in memory and no locking or latching, it can still guarantee the ACID properties of all transactions.
The Relational Database is the Default
If you don't have a good reason not to, use a relational database. Always.
SQL Server R Services: Working with Multiple Data Sets
Although it is easy to use SQL Server R Services to create R scripts that incorporate SQL Server data by passing in a T-SQL query as an argument when calling the sp_execute_external_script stored procedure, you are limited to that one query, unless you pass additional data directly between R and SQL Server via CSV files. It is simple to do, and opens up many additional opportunities for data analysis. Robert Sheldon explains how.
Correlation Analysis using Correlation Plot in Power BI Desktop
Power BI provides correlation plot visualization in the Power BI Visuals Gallery to create Correlation Plots for correlation analysis. In this post, Siddharth Mehta shows how to create a correlation plot in Power BI Desktop using a sample dataset of car performance.
Blogs
A New Word: Anderance
By Steve Jones
anderance – n. the awareness that your partner perceives the relationship from a totally...
Troubleshooting SQL Server – Starting with the Error Log
By gbargsley
We’ve all been there. Someone walks up and asks, “Is SQL Server having issues?”...
From OLTP to Analytics: Bridging the Gap with Modern SQL Architectures
By Chris Yates
In the beginning, there was OLTP – Online Transaction Processing. Fast, reliable, and ruthlessly...
Forums
Parameter Sensitive Plan Optimization in SQL Server 2022
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Minimum Change Tracking Retention
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AI Steals Joy
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Question of the Day
Minimum Change Tracking Retention
If I am running this code:
ALTER DATABASE AdventureWorks2017 SET CHANGE_TRACKING = ON (CHANGE_RETENTION=xxx);What is the minimum amount of time I can set? See possible answers