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.
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.
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.
This article will show how to store images, document and all other files in SQL Table.
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.
If you don't have a good reason not to, use a relational database. Always.
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.
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.
Brent Ozar explains why DBAs should read this book about the future of database administration at scale.
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
By Steve Jones
This month we have a new host, James Serra. I’ve been trying to find...
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Which of these are valid OPENQUERY() uses?
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