Indexing

SQLServerCentral Article

SQL Server Resumable Index Operations

  • Article

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.

(3)

You rated this post out of 5. Change rating

2023-06-26

13,383 reads

SQLServerCentral Article

More on Column Choice and Order for Multi-column Non-Clustered Indexes

  • Article

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 […]

(2)

You rated this post out of 5. Change rating

2021-07-07

3,790 reads

SQLServerCentral Article

Understanding CRUD Operations on Tables with B-tree Indexes, Page-splits, and Fragmentation

  • Article

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 […]

(6)

You rated this post out of 5. Change rating

2021-05-10

8,687 reads

SQLServerCentral Article

Indexes: When Column Selectivity Is Not Always A Requirement

  • Article

While preparing for my SQL Saturday Salt Lake City presentation, Climbing the B-Tree, I ran into one of the “word of mouth” facts that the first column of an index should be highly selective, i.e., it should only point to one or a few rows. This is not always the case and I’ll show you […]

(6)

You rated this post out of 5. Change rating

2023-01-02 (first published: )

5,584 reads

Blogs

Learn about Modern Microsoft Apps in San Diego

By

I wrote about learning today for the editorial: I Can’t Make You Learn. I...

How To Deploy Fabric SQL and Azure SQL Databases with Azure DevOps

By

Fabric has CI/CD built in, but if you've tried to use it for database...

A New Word: Attriage

By

attriage – n. the state of having lost all control over how you feel...

Read the latest Blogs

Forums

Alamat Kontak Bank BCA KCP Renon Telp:08218154393

By layanan0013

WA:08218154393 Jl. Raya Puputan No.10, Panjer, Denpasar Selatan, Kota Denpasar, Bali 80226

Alamat Kontak Bank BCA KCU SINGARAJA Telp:08218154393

By Halo_BCA

WA:08218154393 Jalan Dokter Sutomo No.3, Banjar Bali, Kec. Buleleng, Kabupaten Buleleng, Bali 81113

SSRS Reminded Me of the Time Microsoft Retired TMG

By Marko Coha

Comments posted to this topic are about the item SSRS Reminded Me of the...

Visit the forum

Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

See possible answers