You cannot enable trace flags (globally or by session) within Azure SQL Database but did you know that some global trace flags are enabled by default?
What is on?
Azure SQL Database and Trace Flags
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Azure SQL Database Online Columnstore Unicorn and Rainbow Theory
As Microsoft states “online clustered columnstore index build enables you to optimize and compress your data with minimal downtime without major blocking operations on the queries that are executing while you are transforming the data.”
Based on one of my favourite blog posts ever about unicorns, rainbows and online index operations (https://www.sqlskills.com/blogs/paul/a-sql-server-dba-myth-a-day-830-unicorns-rainbows-and-online-index-operations/) I wanted to show that using a command such as
Azure SQL Database and Transaction Log
Checking out the transaction log in Azure SQL Database. If you are curious like me, you will want to know about what your transaction log is doing in the cloud. The following queries have been tested and run okay within Azure SQL Database it gives you some great insight. First up, the classic log_reuse_wait_desc. You can’t exactly do much with this output, more so, just to fulfill curiosity.
Automating T-SQL for Azure SQL Database via Logic Apps
Have you ever wanted to capture the T-SQL, waits, sessions IDs (etc) at a specific time for Azure SQL Database? Sure there are a few ways to do this. Extended Events comes to mind but I wanted to do something different.
SQL Server Looking into Differential Backups
I seem to be writing solely about Azure so to shake things up a bit I am going back to my “roots”. In SQL Server your differential backup is cumulative and NOT incremental and a differential will contain the data that has changed since the last full backup.
Let’s dig in using DBCC PAGE.
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