How to Edit Read-Only Non-clustered Columnstore Data
As I've discussed in some of my previous posts, creating a non-clustered Columnstore index will make the index as well...
2014-08-06 (first published: 2014-07-29)
8,115 reads
Patrick
- Twitter: @patrickkeisler
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Columnstore Table Analyzer
As I’ve discussed in some of my previous posts, there are quite a few data types that cannot be part...
2014-07-08
762 reads
Columnstore Memory Grant Issue
In a previous post about non-clustered columnstore indexes, I mentioned the creation of an index is a very memory intensive...
2014-06-03
2,187 reads
Comparison of Columnstore Compression
SQL Server 2012 introduced non-clustered columnstore indexes, and SQL Server 2014 gave us clustered columnstore indexes. Both share the same...
2014-05-20
1,835 reads
What is a Non-Clustered Columnstore Index?
First introduced in SQL Server 2012, the Columnstore index is a new in-memory feature that allows for the creation of...
2014-04-29
5,582 reads
The system_health Extended Event Session
When I first started poking around in SQL Server 2012, I noticed an extended event session called “system_health” was created...
2014-04-21 (first published: 2014-04-08)
4,053 reads
How Long is that SQL Command Going to Take?
Have you ever needed to restore a large database while someone is standing over your shoulder asking “How long is...
2014-03-04
3,238 reads
My Experience Aboard SQL Cruise 2014
Where do I begin? First let me say, WOW what an experience!
How it All Began
When I first heard about SQL...
2014-02-11
1,370 reads
Collecting Historical IO File Statistics
In a previous post, Collecting Historical Wait Statistics, I discussed how you can easily collect historical wait stats by using...
2013-12-17
1,471 reads
Collecting Historical Wait Statistics
As a DBA, I'm sure you've heard many times to always check the sys.dm_os_wait_stats DMV to help diagnose performance issues...
2013-12-16 (first published: 2013-12-11)
2,508 reads
Blogs
VPN + SQL Server Connections: Why Long-Working Setups Suddenly Fail with Msg 10054 and “Connection Broken”
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Over the past few weeks, I’ve been contacted by multiple customers experiencing the same...
Future IT Roles – Agentic Architect and AI Boom!!
By Vinay Thakur
These days everything is changing to AI World, IT roles are getting changed and...
Free Webinar about Columnstore Indexes
I’m doing a small series on indexing basics for SQL Server, and on May...
Forums
SPAM Issues May 2026
We suffered a SPAM attack from May 1-6, which unfortunately corresponded with time off...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
Question of the Day
Creating a JSON Document III
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 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers