#	exclusive	inclusive	rows x	rows	loops	node
1.	11.535	17.177	↑ 1.0	1	1	→ Aggregate (cost=334.55..334.56 rows=1 width=4) (actual time=17.177..17.177 rows=1 loops=1)
2.	5.642	5.642	↑ 1.0	16044	1	→ Seq Scan on rental (cost=0.00..294.44 rows=16044 width=4) (actual time=0.010..5.642 rows=16044 loops=1)

Aggregate  (cost=334.55..334.56 rows=1 width=4) (actual time=17.177..17.177 rows=1 loops=1)
   ->  Seq Scan on rental  (cost=0.00..294.44 rows=16044 width=4) (actual time=0.010..5.642 rows=16044 loops=1)

Per node type stats

node type	count	sum of times	% of query
Aggregate	1	11.535 ms	67.2 %
Seq Scan	1	5.642 ms	32.8 %

Per table stats

Table name	Scan count	Total time	% of query
scan type	count	sum of times	% of table
rental	1	5.642 ms	32.8 %
Seq Scan	1	5.642 ms	100.0 %

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A tool for finding a real cause for slow queries.

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Per node type stats

Per table stats