Hi,
I understand that when a table contains only a few rows it is better to do a sequence scan than an index scan. But is this also for a table with 99 records?
A table contains id integer (primary key) name varchar(70) parent integer comment text owner integer inheritAccess integer defaultAccess integer sequence bigint contentsinheritaccessmove integer contentsinheritaccessadd integer
explain select * from tblFolders where id=90; QUERY PLAN ----------------------------------------------------------- Seq Scan on tblfolders (cost=0.00..3.24 rows=1 width=50) Filter: (id = 90)
(I have analyze table bit still a sequence scan).
With how manys rows it is ok to do an index scan or sequence scan? How is this calculated in pg?
Regards Jer
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