Distinct Rows, And The Columns You Choose
Footnote I have two queries. They return the same number of rows. The only difference is one column in the…
2019-05-20
Footnote I have two queries. They return the same number of rows. The only difference is one column in the…
2019-05-20
Two Words Alright, I’ve lied to you already. There are way more than two words involved, here. I recently had…
2019-05-15
Last week in our IEPTO2 class I was asked about queries with RECOMPILE and Query Store. Specifically: Do queries that have the OPTION (RECOMIPLE) hint go into Query...
2019-05-14
The first unexpected behavior is one that may already be familiar to many. [Max server memory] is not as often a maximum for SQL Server [total] memory as it...
2019-05-14
This feature works with SQL Server 2019 and onwards. If you are using an earlier version of SQL Server this feature will not work and will give you an...
2019-05-11
How do you know whether a database code change is going to be great, okay or awful? If you want to test a new version of SQL Server how...
The...
2019-05-08
Kitchen Stink A lot has been written about “kitchen sink” queries. A couple of my favorites are by Aaron Bertrand…
2019-05-07
Paul Randal provides a detailed introduction to troubleshooting SQL Server workload performance using wait statistics.
The post Introduction to Wait Statistics appeared first on SQLPerformance.com.
2019-05-07
This weekend I was in Stockholm in Sweden, talking Query Store and plan forcing with Steinar Anderson, when he mentioned the problems he had while forcing plans that had...
The...
2019-05-06
Today I begin a week-long series where I will be discussing various SQL Server Monitoring Tools. My primary job is to help people with my consulting workshop Comprehensive Database...
2019-04-26
By Steve Jones
I recently started playing with the MCP Server for SQL Server, which is a...
If you spend your days tuning queries, managing pipelines, or keeping a production database...
I’ve been rebuilding my three-site SQL Server demo lab, and I ran into something...
Has anyone written a wrapper function (or similar) around STRING_AGG() to allow the retrieval...
Putting this here as we're currently on SQL Server 2019 installed on Windows Server...
Comments posted to this topic are about the item Never is Not the Policy
I have added a few indexes to one of my tables in SQL Server 2025:
ALTER TABLE dbo.CustomerContact
ADD CONSTRAINT PK_CustomerContact
PRIMARY KEY (CustomerID);
-- Create index on CustomerEmail
CREATE INDEX IX_CustomerContact_CustomerEmail
ON dbo.CustomerContact (CustomerEmail);
CREATE INDEX IX_CustomerContact_CustomerPhone
ON dbo.CustomerContact (phone);
I then do this to disable one index:
alter index IX_CustomerContact_CustomerPhone on dbo.CustomerContact disableI see this when I check the index status:
I decide to rebuild all indexes with this command:
ALTER INDEX ALL ON dbo.CustomerContact rebuildAfter I do this, what will I see for the index status? See possible answers