You can’t understand your SQL query performance by looking at the SQL code. You need the execution plan. Run the query again and it will be much slower as those rows you just added need to be checked…

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Hussein Nasser

Understanding SQL query performance and the importance of execution plans.

Your SQL is Slow

<p>why this kind of low quality article would be recommended?</p>


<p>You can use ANALYZE and DESCRIBE to understand why your SQL is slow. This article hasn’t done anyone any good.</p>
