Heaps in SQL Server: Part 3 Nonclustered Indexes
Uwe Ricken continues his series on heaps. This time he demonstrates a common scenario where the query against a heap is faster than a clustered index.
2020-09-17
SQL
SQL Server Wait Stats Monitoring with PowerShell
In this article we add another module to the PowerShell monitoring process to capture wait stats for all monitored SQL Server instances.
2020-09-15
Storage 101: The Future of Storage
Robert Sheldon wraps up his series on storage by discussing the latest storage innovation and ideas.
2020-09-14
The Two Ways Containers Will Revolutionize Database DevOps
Containers have already transformed the way application development works, but adoption has been slower for databases. Finally, the revolution is beginning. In this post, Kendra Little shares the two ways in which containers will dramatically change the way teams develop and deploy database changes.
2020-09-10
Installing PostgreSQL 11 on Windows with Step-by-step Instructions
PostgreSQL is a free database management system (DBMS). PostgreSQL 11 is the new version of this DBMS. We will take a look at how to install PostgreSQL 11 on Windows. This article covers where to download PostgreSQL 11, how the installation process looks like, and how to connect to the PostgreSQL server. Step-by-Step Installation on Windows […]
2020-09-03
21,665 reads
Database Modeling - Relationships
A proper relationship between two people, places or things improves the communication between them. In every real-world based application, this logic holds and a database is no different. This article discusses the different relationship types possible between database objects. The designing of these relationships between them is called modeling, and the three types of relationships […]
2020-08-31
7,664 reads
Gathering SQL Server Performance Counters for Multiple Servers
SQL Multi Script can easily be persuaded to run queries at the server level rather than the database level. It is also able to combine results from many databases even if the results aren't identical but have some different columns. Phil Factor demonstrates how this works, when collecting a set of performance counters from all databases on a distribution list of servers.
2020-08-07
Hands-On with Columnstore Indexes: Part 3 Maintenance and Additional Options
In the final article of this series, Edward Pollack demonstrates the maintenance of columnstore indexes. He also takes a look at nonclustered columnstore and memory-optimized columnstore indexes.
2020-08-06
Unboxing SQL Toolbelt: What is SQL Multi Script for?
SQL Multi Script does one thing and does it well: it will run whatever script or scripts you select, on a list of databases, and collate all the results neatly. However, it has a surprising number of uses. Phil Factor explains how it works and then uses it to search 100 databases, for occurrences of a string, in about 7 seconds.
2020-08-05
How Many Databases Can You Name?
There is a huge number of databases available. How many could you name? Create our list and then compare to our list of well over 100 databases!
2020-08-03
Blogs
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A New Word: Attriage
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Upgrade 2016 Standard to 2022 Express
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BIT_COUNT II
Comments posted to this topic are about the item BIT_COUNT II
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 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers