Joey on SQL Server A Deep Dive into SQL Server 2022's Query Performance Features, Part 1 An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the ...

How can understanding wait statistics improve query performance in SQL Server? Understanding wait statistics allows the data professional to tune individual queries or, if necessary, to tune ...

Query Store (QS): Introduced in SQL Server 2016, QS is similar to an airplane flight recorder with a specific focus on query plans and their performance. QS captures the history of queries, their ...

SOS_SCHEDULER_YIELD —SQL Server instances with high CPU usage often show the SOS_SCHEDULER_YIELD wait type. This doesn’t mean the server is underpowered; it means further research is needed to find ...

When you use index views in the right situations, they can dramatically improve the performance of SQL Server queries. Tim Chapman explains why performance testing is the best way to tell if ...

As I discussed in an earlier column, SQL Server keeps a plan cached for each query it sees (assuming the query requires planning in the first place, of course). That's great for speeding up processing ...

SQL Diagnostic Manager for MySQL is an agentless monitoring tool that provides real-time insights to optimize MySQL and MariaDB server performance.

In SQL Server these queries will run in roughly the same time. In MySQL it's about 4 seconds vs. about 1.5 minutes.