SQL Server Filtered Index Essentials Guide
Learn about using filtered indexes for SQL Server tables and some of the potential issues you might be faced with when using a filtered index.
2024-05-08
Indexing
2024-01-17
489 reads
2024-01-10
548 reads
SQL Server Resumable Index Operations
The ability to pause and then resume index rebuilds has been added to SQL Server. This is a fantastic feature, and with the release of SQL Server 2019, we can now replicate it on the actual create index process. Learn how to use this feature in this short article.
2023-06-26
13,833 reads
SQL Server Indexes to Improve Query Performance
In this article, we look at how to design SQL Server indexes and why the way an index is created makes a difference in query performance.
2022-11-07
2022-01-26
550 reads
2021-08-09
561 reads
More on Column Choice and Order for Multi-column Non-Clustered Indexes
In the last year I’ve published articles on indexes to include Indexes: When Column Selectivity Is Not Always A Requirement – SQLServerCentral and Query Optimizer Suggests Wrong Index and Query Plan -- Why? – SQLServerCentral. This article is a continuation of just how the optimizer interacts with the index wizard. We’ve all heard and read […]
2021-07-07
3,885 reads
Index fragmentation on all databases
The script returns all the fragmented indexes on all databases on the instance you run it. Can be run on multiple instances in the same time using central management capability.
2021-07-12 (first published: 2021-07-06)
4,340 reads
Understanding CRUD Operations on Tables with B-tree Indexes, Page-splits, and Fragmentation
Introduction Every DML transaction reads the data before it makes any changes. Not only during a SELECT query, but when you run any DML statement, insert, update, or delete, SQL Server first fetches a bunch of pages into the buffer pool locating the desired rows and changes them while synchronously writing to the transaction log […]
2021-05-10
9,009 reads
Blogs
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Forums
Using CHOOSE()
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Re-Seeding a Broken Log Shipping Secondary (Without Touching the Primary)
Comments posted to this topic are about the item Re-Seeding a Broken Log Shipping...
The DBA is Dead! Long Live the !
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Question of the Day
Using CHOOSE()
We have this code that sets some status values and then queries them using the CHOOSE() function in SQL Server 2025.
CREATE TABLE Status
(
StatusID INT,
StatusDescription VARCHAR(20)
);
GO
INSERT dbo.Status
(
StatusID,
StatusDescription
)
VALUES
(0, 'Uncategorized'),
(1, 'Active'),
(2, 'Inactive'),
(3, 'Temp');
GO
SELECT CHOOSE(StatusID, 'Unknown', 'Active', 'Inactive', 'Temporary')
FROM Status;
When the SELECT runs, what is returned? See possible answers