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The new CE feedback feature in SQL Server 2022 will allow the engine to make decisions on an individual query level, which will help the performance to even more queries on a server.
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 ...
determine this is through thorough performance testing. Tim Chapman is a SQL Server database administrator who works for a bank in Louisville, KY, and has more than 7 years of IT experience.
However, there are any number of queries in any application that SQL Server may never see again (at least in, for example, the next 24 hours). The plans for these "one-time" queries are taking up ...
In SQL Server these queries will run in roughly the same time. In MySQL it's about 4 seconds vs. about 1.5 minutes.
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