What do you consider important when performance testing?
What data specific considerations do you make when preparing for performance testing?
What data specific considerations do you make when preparing for performance testing?
Joe Celko & Chris Date guest as the sinister Relational Police in this new DBA Team adventure. Can the DBA Team save another doomed database? Find out.
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.
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
By Arun Sirpal
You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
Comments posted to this topic are about the item Creating a JSON Document IV
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
When the schema of an object is changed, SQL Server wipes out the previous...
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers