In this follow-up to Beyond the LIKE Operator: Advanced Pattern Matching with MySQL, Rob Gravelle shows how to use the REGEXP operator to match alphanumeric characters, explores the role of meta-characters, and compares standard regular expression syntax to that of MySQL.
PowerShell is an ideal tool for doing health-checks of a collection of SQL Server instances, and there are several examples around, but few acknowledge the fact that individual DBAs have their own priorities for tests, and need something easily changed to suit circumstances. Omid Afzalalghom's Healthcheck allows tests to be SQL or PowerShell and requires only adding, altering or deleting files in directories.
This article shows the procedure to Add new disks to SQL Server failover cluster in windows 2008/2008R2. This article also covers how to add dependencies to a SQL Server cluster resource.
Phil Factor is gratified to see just how much many developers and DBAs give back to their technical communities as well as society in general.
One NoSQL database is not necessarily like another. Steve Jones notes that some of the complaints out there will likely be easily overcome.
Glenn Berry introduces the exciting new feature in Windows Server 2016 called Storage Spaces Direct (S2D), which enables organizations to use multiple, clustered commodity file server nodes to build highly available, scalable storage systems with local storage, using SATA, SAS, or PCIe NVMe devices.
Tim Wise explains how Microsoft Access provides a quick and easy way to create a simple front end for a SQL Server database by pointing linked tables to the SQL Server.
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
Comments posted to this topic are about the item BIT_COUNT II
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Comments posted to this topic are about the item Why Your SQL Permissions Disappeared
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