SQL

SQL Server Integrates Hadoop and Spark out-of-the box: The Why?

  • Article

Introduction Microsoft announced in September 2018 that SQL Server 2019, which is now in preview, will have a Big Data Cluster deployment option. This is a Big-Data-capable SQL Server with elastic scale and extended Artificial Intelligence (AI) capabilities, mostly as a result of deep integration of Hadoop and Spark out-of-the-box.  The new SQL Server Big […]

4.67 (6)

2019-09-09

5,624 reads

Introduction to SQL for Cosmos DB

  • Article

This article by Adam Aspin reviews the Azure Cosmos DB SQL API from the perspective of the relational database developer. More specifically it will show you how to leverage your Structured Query Language skills to exploit the core possibilities of Cosmos DB as a NoSQL document database.

2019-03-25

219 reads

Resumable Online Index Create and Rebuild Operations

  • Article

Index maintenance can be a real headache for database administrators as tables grow larger and maintenance windows shrink. In this article, Greg Larsen demonstrates resumable index operations available with SQL Server 2017 and 2019. This feature helps DBAs work around those small maintenance windows by allowing certain index operations to be paused and restarted again later.

2019-03-21

1,738 reads

Introduction to SQL Server Security — Part 3

  • Article

SQL Server supports partially contained databases. This gives you the option of adding database users with a password inside the database. This makes the database easier to move to another instance or participate in an Always On Availability Group. In this article, Robert Sheldon explains how to work with users in contained databases.

2019-03-11

Empty Thoughts: Working with NULL

  • Article

Whether or not to have NULLable columns in a table can be a religious debate, and how missing data is represented should be carefully considered during database design. In this article, Joe Celko considers the ways that SQL Server handles NULLs in several situations.

2019-02-11

3,289 reads

Blogs

Daily Coping 18 Sep 2020

By

I started to add a daily coping tip to the SQLServerCentral newsletter and to...

Optimize for Unknown for Inline Table-Valued Functions

By

I had a curious performance issue today. An inline table-valued function (iTVF) was performing...

Daily Coping 17 Sep 2020

By

I started to add a daily coping tip to the SQLServerCentral newsletter and to...

Read the latest Blogs

Forums

SQL 2017 MLS - cant add new python packages

By sqldude7777

Hi I'm new-ish to MLS and have been trying to add new python packages...

Find row closest to date

By boehnc

Just having trouble getting this to work as I hoped. Trying to extract entire...

SQL Query - FULL JOIN multiple tables but return NULL results

By glennyboy

Good day! Need help with my sql query code; first FULL JOIN "ILEtransfer" no...

Visit the forum

Ask SSC

SQL Server Q&A from the SQLServerCentral community

Get answers