Some new interresting points about trees and CTE in SQL Server : transforming a tree from auto reference to interval model (nested sets), calculating levels in interval model, creating a view of auto ref from an interval model, hierarchical numbering of items, and more. This article includes more examples based on his previous work.
How many DBAs need a solution to track those changes made for multiple systems? Auditing is becoming more and more prevalent in all systems and having a good solution can really make your DBA job interesting. New author Keren Ramot brings us his technique that works indepedent of the database structure.
Steve Jones takes a look at what's happening in the world of alternative energy, including cleaner nuclear power and energy from motion.
How do you cope with an executive's request to "bring back a time series of activity for all subscribers who were in platinum status as of X date," or "show me a time series of orders by sales region according to the sales organization as of Y"? Here's how data warehouse pros can cope with the common requirement to look back in time.
To optimize Transact SQL (T-SQL) data types in SQL Server, learn how each type affects performance -- I/O, RAM and CPU in SQL Server.
Keeping track of the amount of space in a database is something every DBA needs to do or face the dreaded "out of space" errors appearing on every client's desktop. SQL Server guru David Poole brings us an automated way of doing just that.
Study encryption and hashing algorithm options for data security in SQL Server 2005 and use symmetric/asymmetric keys to encrypt and decrypt SQL Server data.
In the spirit of celebration at the end of the year, a break from the usual routine. Happy holidays to all and hopefully no one is working this weekend.
By James Serra
I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...
By Vinay Thakur
Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...
Quite the title, so let me set the stage first. You have an Azure...
Comments posted to this topic are about the item A Quick Restore
Comments posted to this topic are about the item Guarding Against SQL Injection at...
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
While doing some testing of an application, I wanted to reset my environment after doing some testing with this code:
USE DNRTest BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO /* Bunch of stuff tested here */RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens if this runs, assuming the "bunch of stuff" isn't anything affecting the instance. See possible answers