In this article, we'll tackle the topic of monitoring disk space usage. By tracking how much is in use and how much is still available, over time we'll have the data we need for better capacity planning, and can ensure that a database won't ever run out of disk space.
This tip describes memory pressure issues that can arise from the RESOURCE_SEMAPHORE Waittype and how to find which query or transaction is causing the memory pressure.
Encryption keys for services in the cloud should be maintained by the customer, according to Steve Jones. It's actually a good idea for all of your data.
In their third live 'Oracle vs. SQL Server' discussion, Jonathan Lewis (Oracle Ace Director, OakTable Network) and Grant Fritchey (Microsoft SQL Server MVP) will look at statistics in Oracle and SQL Server. Expect a lively debate on Oracle vs. SQL Server from two leading RDBMS experts on Jan 23, 2013.
The third article that examines the output of the sp_Blitz script™ run against SQLServerCentral's database servers.
Sometimes, you have to test out alternative indexing strategies, but the task of creating the candidate indexes would just take too long. Is there another way? Well, yes, why not use the same method the DTA (Database Tuning Advisor) uses, and take the tedium out of the job.
EAV models have their uses but the costs are often hidden and if not hidden, more than anticipated.
Phil Factor on why Data Science is about much more than just clever visualizations and big data.
A develop should be a glass-half-full kind of guy, at least according to Steve Jones. This editorial was originally published on April 15, 2008. It is being re-run as Steve is on holiday.
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