External Article

Consuming hierarchical JSON documents in SQL Server using OpenJSON

Over the years, Phil was struck by the problems of reading and writing JSON documents with SQL Server, and wrote several articles on ways of overcoming these problems. Now that SQL Server 2016 onwards has good JSON support, he thought that the articles would be forgotten. Not so, they continue to be popular, so he felt obliged to write about how you can use SQL Server's JSON support to speed the process up.

External Article

Missing Data

In the real world of business or scientific reporting and analysis, data can prove to be awkward. It can be plain wrong or it can be altogether missing. Sure, we have the NULL to signify unknown, but that doesn't play well with regular business reporting. There are a number of ways of dealing with missing information, and methods of estimating data from existing data has a long and respectable history. Joe Celko gets to grips with a data topic that is often treated with some trepidation.

External Article

Mixing MongoDB and Relational Databases in the Enterprise

Your Agile developers want MongoDB, or a similar document database: your Ops people are concerned about security and backup, and Governance are muttering about transactionality and data transfer between systems. Do you restrict your developers from rapidly-evolving the data design for their domain or do you embrace the joys of NoSQL unconditionally? If you accept a polyglot database environment, where the NoSQL lambs coexist with the relational lions, how do you provide tools and common database concepts that everyone can use and understand?

Blogs

T-SQL Tuesday #198 Roundup: How Do You Detect Data Changes?

By

Thank you to everyone who participated in T-SQL Tuesday #198! When I wrote the...

Optimizing Redshift Performance by Configuring WLM Queues

By

Efficient query performance in Amazon Redshift often comes down to how well you manage...

PowerShell Strikes Back: Return of the Loop

By

Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is...

Read the latest Blogs

Forums

Dealing with huge heap tables

By JasonO

Recently, our dev teams approach me for advice on improving their huge heap table...

Merge Replication failing with Error converting data type nvarchar to numeric

By Leo.Miller

After upgrading 2 Merge Replicated databases to SQL 2022 and re-establishing the Merge Replication...

Why Your Index Isn't Being Used? - Reading Execution Plans to Find the Real Culprit

By Sanket Parmar

Comments posted to this topic are about the item Why Your Index Isn't Being...

Visit the forum

Question of the Day

Distance Metric Algorithms

What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?

See possible answers