Encryption brings data into a state which cannot be interpreted by anyone who does not have access to the decryption key, password, or certificates. Hashing brings a string of characters of arbitrary size into a usually shorter fixed-length value or key. Here's how to get started using it.
Mistakes happen but how can we minimize them and deal with them whey they do happen?
In this article, Thomas chronicles the difficulties of troubleshooting a linked server set up, with helpful tips and an exposé of a Linked Server UI flaw.
SQL Saturday #315 in Pittsburgh (Oct 4th) is looking for speakers - if you've got a SQL topic you want to talk about, submit it and you may get to share with your peers.
For date and time based testing, I use what I like to call "mock-time". The mock-time starts at what ever I set it to, but then advances along with the regular system clock. Andy Novick shows how that would work.
This metric creates an alert that will be raised when something is added to the schema, or the existing schema is modified.
In opera, tragedy or absurdity happens because the characters are incapable of standing back, and making a difficult decision. Instead, at every stage, they just drift towards their fate by taking the easy option. Don't let the same fate befall you, as a DBA.
The quickness at which technology has and is changing our lives and shaping our culture.
If you're in Southern California, you should come to SQL Saturday #340 and speak at their event. If you want a late summer vacation, submit and come enjoy the event.
Technical support teams usually support familiar hardware and software configurations. Specialization in particular combinations of operating systems and database management software is common, and this allows some team members to gain in-depth experience that is extremely valuable in an enterprise IT setting. How has big data changed this paradigm?
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