Press Release


Technical Article

SQL Monitor Custom Metric: Memory Used By Ad Hoc Queries Running Once

This metric measures the amount of memory used by the total number of ad-hoc queries that are currently in the plan cache. If the value is high, it indicates memory is being wasted by storing the execution plans of queries that will never be run more than one time.

You rated this post out of 5. Change rating

2015-06-25

2,334 reads

Technical Article

Take our SQLServerCentral Users Survey

Each year SQLServerCentral runs a survey to get some insight into what who our readers are, what they like about the site, and what can be improved. Please take a few minutes to complete this survey by June 12 and get the opportunity to win one of three $50 Amazon vouchers.

You rated this post out of 5. Change rating

2015-06-02 (first published: )

13,214 reads

External Article

Database Continuous Integration Workshop - London, UK

Join this workshop on July 8, 2015 to learn how to: link your source control repository to a build system, trigger database builds automatically when you make a change, use DLM tools to test your database changes, and lay the foundations for package-based deployment of your database. Register while space is available.

2015-05-22

6,320 reads

Blogs

T-SQL Tuesday #198–Change Detection

By

This month we have a new host, Meagan Longoria, who graciously agreed to help...

Redgate and Rome

By

I’m at the UK Redgate office today, meeting with senior leaders in all areas...

Quick Tip: Check Most DTU Expensive Queries in Azure SQL Database

By

Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...

Read the latest Blogs

Forums

Creating a JSON Document IV

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Creating a JSON Document IV

Permissions Removal When Changing Object Schema

By Brandie Tarvin

When the schema of an object is changed, SQL Server wipes out the previous...

Visit the forum

Question of the Day

Creating a JSON Document IV

I have this data in a table called dbo.NFLTeams

TeamID  TeamName       City             YearEstablished
------  --------       ----             ---------------
1       Cowboys        Dallas           1960
2       Eagles         Philadelphia     1933
3       Packers        Green Bay        1919
4       Chiefs         Kansas City      1960
5       49ers          San Francisco    1946
6       Broncos        Denver           1960
7       Seahawks       Seattle          1976
8       Patriots       New England      1960
If I run this code, how many rows are returned?
SELECT 
  YearEstablished,
  json_objectagg(city : TeamName)
FROM dbo.NFLTeams
GROUP BY  YearEstablished;

See possible answers