Transaction Log Structure

Intro This post shows the internal logical structure of the SQL Server Transaction Log. The details here target SQL Server 2000 to 2017. Note that SQL Server 2019 will likely include Accelerated Database Recovery, aka…

VLF truncation in SIMPLE recovery model

I recently presented a session on log file management where I discussed monitoring and managing the logical segments of the transaction log known as Virtual Log Files, or VLFs. A great question came up about…

Adding a New Transaction Log File when the Existing Log is Full

SQL Server Transaction Log files store details about every change made to a SQL Server Data File. This includes when you need to add a 2nd log file. The act of adding a 2nd log…

Hidden tables in SSMS: detect and create them!

Did you know hidden tables may be lurking in your database? SQL Server Management Studio is a world-class database management toolset, and includes some really great features. Arguably the most-used feature is the Object Explorer…

Data Masking is not enough to protect personal information from prying eyes!

Data Masking is the process of either obfuscating or replacing personally identifying information with meaningless data that cannot be used to identify the items being masked. The data masking process is frequently used to alter…