On Wed, Jul 17, 2013 at 12:50 PM, Ellen Rothman <eroth...@datalinedata.com>wrote:
> I have the same table definition in two different databases on the same > computer. When I explain a simple query in both of them, one database uses > a sequence scan and the other uses an index scan. If I try to run the Seq > Scan version without the where clause restricting the value of uniqueid, it > uses all of the memory on my computer and never completes. **** > > ** ** > > How can I get the Seq Scan version to use an index scan? > Did you run "ANALYZE your-table-name" before trying the sequential scan query?
