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EXPLAIN ANALYZE: Profile Queries

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In order to profile a query, prepend EXPLAIN ANALYZE to a query. EXPLAIN ANALYZE SELECT * FROM tbl; The query plan will be pretty-printed to the screen using timings for every operator. Note that the cumulative wall-clock time that is spent on every operator is shown. When multiple threads are processing the query in parallel, the total processing time of the query may be lower than the sum of all the times spent on…

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