1
vote
1answer
723 views

PostgreSQL raw query vs “Function returns TABLE” - insane difference in performance. Why?

I work with the PostgreSQL and it is used for reporting. The way it is configured currently is as follows: There is a complex query which returns report data, like this: select Column1 as Name1, ...
2
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1answer
131 views

how to optimize postgresql81 for a hug query but not a complicated one?

i have a query which execution takes 15s on the server. the server is bi-xeon 5130 (2GHz) with 2GB of RAM and 160GB of scsi hardrive in RAID. Database is PostgreSQL 8.1 on Debian 4 etch. This query ...
0
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1answer
721 views

How many queries per second execute in postgressql database

I have to monitor database statistic for postgresql and need display as graph. How to check Query execution time and number of query per seconds in postgres. What functions available to get those ...
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1answer
320 views

PostgreSQL - Using COALESCE keyword in SSIS

When I am trying to use the COALESCE key word in an OLE DB Source control, it always returns a negative number in the results set. I am using a Native OLE DB\PostgreSQL Native Provider as a ...