SQL Server 2019 Adds CosmosDB Support
SQL Server 2019 will bring more than graph query languages. We will be able to use a document query engine and a specific JSON engine.
Converting a History Table into a System-Versioned Temporal Table
Temporal tables were introduced with SQL Server 2016. To take advantage of this feature, you might start fresh with a brand new table. It is possible, however, to convert an existing table with accumulated history to the new functionality. In this article, Mala Mahadevan explains how to create temporal tables for both scenarios.
Containers Are The Present, Not the Future
Last week was the MVP Summit. This year included a bunch of very technical discussions about some of the future of the Microsoft Data Platform (a big thank you goes to Slava Oks, Bob Ward, and all the team for a great job). I can’t share much since it was all under NDA. All I […]
An Introduction to SQL Server Indexes: Stairway to SQL Server Indexes Level 1
Indexes are the database objects that enable SQL Server to satisfy each data access request from a client application with the minimum amount of effort, resulting in the maximum performance of individual requests while also reducing the impact of one request upon another. Prerequisites: Familiarity with the following relational database concepts: Table, row, primary key, foreign key
Clustered Indexes: Stairway to SQL Server Indexes Level 3
Now that we've seen the basics of indexing, and taken a deeper dive into Nonclustered Indexes, this Level will focus on searching the table, which will, in turn, will lead us to a discussion of clustered indexes.
Index Fragmentation in SQL Server: Stairway to SQL Server Indexes Level 11
Internal and external fragmentation – Causes, cures, and when not to care
Indexes with Included Columns: Stairway to SQL Server Indexes Level 5
Included columns enable nonclustered indexes to become covering indexes for a variety of queries, improving the performance of those queries and with the only overhead being an increase the size of an index.
Pages and Extents: Stairway to SQL Server Indexes Level 4
We've now seen how indexed and non-indexed tables perform in queries, and established "logical reads" as the metric for query performance. Now it is time to explain why logical reads are an excellent metric and also explain what is actually being read.
SQLServerCentral v3 coming tomorrow
The next version of SQLServerCentral will go love on Saturday, March 30, 2019
Blogs
Git forked
Forgive me for the title. Mentally I’m 12. When I started my current day...
Setting FK Constraints in Data Modeler
By Steve Jones
One of the things a customer asked recently about Redgate Data Modeler was how...
Webinar: Navigating the Database Landscape in 2026
By Steve Jones
For a number of years, we’ve produced the State of the Database Landscape report,...
Forums
SSMS 22 Latest Update Crashing
Hi all, I've just had to roll back my SSMS 22 version from 22.3.0,...
Transactional Replication setup issue
Hi! I've been banging my head against the wall for 2 days now trying...
The Power of Data and Privacy
Comments posted to this topic are about the item The Power of Data and...
Question of the Day
What's the Date?
In SQL Server 2025, there is a new function that returns the current date without the time. What is it?
See possible answers