SQLite and the Performance Implications of Indexes
Indexes make an enormous difference in the read speed of a databases. I have previously mentioned that adding proper indexes...
2017-02-05
533 reads
Indexes make an enormous difference in the read speed of a databases. I have previously mentioned that adding proper indexes...
2017-02-05
533 reads
It is occasionally usefully to display a different values in an Access combo box than what is actually stored in...
2016-10-13
457 reads
Python Distributions Python is free and open source software. A programmer could download the executables for Python directly from the...
2016-07-01
587 reads
When doing technical writing, or for that matter most forms of writing , we need to be able to refer to...
2016-02-17
661 reads
The people at Webucator were kind enough to make a video based on my article on dealing with SQL Server...
2015-11-17
397 reads
Although generally I prefer to create custom interfaces for my databases using fully developed programming languages like Python or C#....
2015-07-03
499 reads
I have been thinking about resumes a great deal lately. Since I recently passed the Bar Exam, I have been...
2015-06-14
551 reads
I was recently doing some testing that required a fairly large table. I created the test table, and set it...
2014-05-26
810 reads
I have seen people build procedures that rely on a result set being returned in a certain order. This is...
2013-09-14
755 reads
SQL Server uses a three valued logic with True, False, and Unknown. And, normally, SQL Server Nulls are not comparable....
2013-08-21
1,295 reads
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