By Lori Brown | Beginner , Miscellaneous , SQL Administration , SQL Development , SQL Server
— By Lori Brown @SQLSupahStah I was looking for a way to get info on the columns in indexes so that I could use the data to help enhance my index defrag routine. I found that my defrag logic did not figure out if an index has included columns that are LOBs and was failing […]
Continue readingBy Lori Brown | Intermediate , SQL Administration , SQL Development , SQL Server
— By Lori Brown @SQLSupahStah A temporal table is a table that holds old versions of rows from a base table. In other words it is a history table. By having temporal tables SQL Server can automatically manage moving old row versions to the temporal table every time a row in the base table is […]
Continue readingBy Lori Brown | Beginner , Performance Tuning , SQL Administration , SQL Development , SQL Server
–By Lori Brown @SQLSupahStah SQL Server 2016 has introduced a couple of new functions that can be very useful and save storage space to boot. COMPRESS and DECOMPRESS offers the benefit of compressing column data thereby saving storage space. COMPRESS uses the GZIP compression algorithm and actually compresses data before it is stored in a […]
Continue readingBy Jeffry Schwartz | Expert , SQL Development , SQL Server
— by Jeffry Schwartz Some functions in SQL are a little difficult to use and understand. I was recently using the LAG function to shed some light on a performance issue, so I thought I would show how I used it and the results it produced in a way that is easy to understand. At […]
Continue readingBy Jeffry Schwartz | Expert , Miscellaneous , SQL Development , SQL Server , Windows
The Problem How many times have you had to subdivide, group, rank, and organize data when you knew very little about the data itself except for the meanings of the columns? This dilemma is one that the members of the SQLRx team encounter frequently. When a customer requests help with a performance problem, we often […]
Continue readingBy Ginger Daniel | Intermediate , SQL Administration , SQL Development , SQL Server
–by Ginger Keys Dynamic Data Masking is a SQL Server 2016 feature that can be deployed as part of your overall security strategy. Data masking is not intended as a primary security solution, but provides a way to obfuscate or hide characters in data such as social security numbers, credit card numbers, email addresses, and […]
Continue readingBy Jeffry Schwartz | Expert , Performance Tuning , SQL Development , SQL Server
— By Jeffry Schwartz Microsoft introduced Extended Events, a.k.a. XEvents, in SQL Server 2008 to aid in the analysis of performance problems. Both the capabilities and syntax were changed significantly on SQL Server 2012, and new (and very important) features were added in SQL Server 2014. Therefore, the focus of this document will be on […]
Continue readingBy Lori Brown | Intermediate , Miscellaneous , SQL Development , SQL Server
— By Lori Brown @SQLSupahStah While Try-Catch has been around since SQL 2005, you would be surprised at how infrequently applications and SQL programmers use this to handle errors. Since I also write my own maintenance and monitoring code and jobs that has to be deployed to my clients, I started making an effort to […]
Continue readingBy Ginger Daniel | Beginner , Miscellaneous , SQL Development , SQL Server
— by Ginger Keys Having duplicate records in a database is an age-old problem that almost every organization has to deal with. Duplicates can appear because of careless data input, merging records from old systems into new systems, uploading leads from purchased lists, and multiple other reasons. Identifying these duplicate records can also be tricky. […]
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