Many sent me an email that they want to know more about the nested transactions. Let us learn about them in today’s blog post.
SQL SERVER – Finding Open Transactions for Session – @@TRANCOUNT
To inspect Open Transactions for Session nesting on my connection, I use @@TRANCOUNT. It does not directly inspect another session.
SQL SERVER – Simple Recovery Model and Restrictions
Simple Recovery changes recovery options before it changes a performance diagnosis. I choose it from the agreed recovery requirements.
Dropping Temp Table in Stored Procedure – SQL in Sixty Seconds #124
Is dropping temp table in stored procedure code really needed? In this SQL in Sixty Seconds video, I compare two procedures to show what happens.
FORCE_DEFAULT_CARDINALITY_ESTIMATION: A Simple Explanation
FORCE_DEFAULT_CARDINALITY_ESTIMATION is a query hint that gives one query the default cardinality estimator, even when the database is set to the legacy one. This post builds a demo table, compares the row estimates of both models with the real count and shows how to prove which model a plan used. It also names the opposite hint and the permission difference.
What is Temp Stored Procedures? – Interview Question of the Week #294
Temp stored procedures are the SPthat are created with the help of the # at the beginning of the name and only available until the SQL Server restarts.
SQL SERVER – Running Log Backup While Taking Full Backup
A full backup and log backup can overlap on one SQL Server database. A customer noticed both during a slowdown.