Complex integrity constraints are more challenging to enforce in Cassandra than they are in a relational database. In this article, Shel Burkow walks through four modelling examples in Cassandra involving constraints.
2020-03-17
There is a lot of information held in SQL Server metadata about your SQL Server procedures, triggers, views and functions. Some of it is valuable, other nuggets are useful and a few are rather dull but worthy. It really all needs to be tied together to tell the full story, especially if you are not able to, or do not want to, query the metadata directly.
2020-03-17
This article demonstrates how the geometric functions in SQL can be use to solve the Islands and Gaps problem.
2020-03-16
2,558 reads
I can’t remember a time when I was not involved in side-projects, usually as a volunteer but also writing books or creating courses. New projects are like bright, shiny objects, and it’s easy to get involved in too many of them.
2020-03-16
Caching data is one way to improve application performance. In this article, Chandra Kudumla explains a service for caching data found in Azure called Azure Cache for Redis.
2020-03-16
In this article, 1st of 2-part series, we will look at 2 approaches to import JSON in SSIS using 2 methods: the new functionality of SQL Server 2016 and the Json.NET library.
2020-03-13 (first published: 2018-08-20)
32,610 reads
I’m teaching my Mastering Index Tuning pre-con at SQLBits and SQL Saturday Iceland, and part of the prerequisites is that you’re already familiar with my How to Think Like the Engine class and my Fundamentals of Index Tuning class. To make that easier, I’m running the Fundamentals of Index Tuning class this week on the blog.
2020-03-13
Introduction In this article, I'll explain the use of the RANKX function available in DAX. The RANKX is a sortation function which is capable of performing a quite complex sorting and ranking based on the groups and values available in the dataset. It returns the ranking of a particular number available in each row of […]
2020-03-12
20,228 reads
17% of Enterprise respondents in this year's State of Database DevOps survey reported that DevOps has been adopted across all projects in their organization. This year’s State of Database DevOps report gave us some great insights into the landscape of Database DevOps. Kendra Little walks us through those insights specific to Enterprise organizations.
2020-03-12
I’m teaching my Mastering Index Tuning pre-con at SQLBits and SQL Saturday Iceland, and part of the prerequisites is that you’re already familiar with my How to Think Like the Engine class and my Fundamentals of Index Tuning class.
2020-03-12
Efficient query performance in Amazon Redshift often comes down to how well you manage...
By gbargsley
Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is...
By Steve Jones
Last week I was honored with a trip to Rome for the Redgate President’s...
After upgrading 2 Merge Replicated databases to SQL 2022 and re-establishing the Merge Replication...
Comments posted to this topic are about the item Why Your Index Isn't Being...
Comments posted to this topic are about the item Distance Metric Algorithms
What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?
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