Stay on top of your daily tasks with a view that helps you focus on what needs to get done today. Planner isn’t just for project managers; it’s a powerful tool for teams across departments. Get ...
It is possible to control the query planner to some extent by using the explicit JOIN syntax. To see why this matters, we first need some background. In a simple join query, such as: SELECT * FROM a, ...
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As we saw in the previous section, the query planner needs to estimate the number of rows retrieved by a query in order to make good choices of query plans. This section provides a quick look at the ...