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0 votes
0 answers
2k views

EXPLAIN (BUFFER,ANALYZE) understading

I am using PostgreSQL 9.3 Can some one help me what i can do to improve this. The max number of records in db table is approx 5000 to 7000 varies daily basis. shared_buffers setting in PGsql DB is =...
Mak's user avatar
  • 139
47 votes
2 answers
38k views

How to understand an EXPLAIN ANALYZE

I am not very familiar with looking at EXPLAIN ANALYZE results, I have a huge problem with my queries being too slow. I have tried to read up on how to interpret results from an explain queries, but ...
Niels Kristian's user avatar
27 votes
2 answers
9k views

Does the order of columns in a Postgres table impact performance?

In Postgres does the order of columns in a CREATE TABLE statement impact performance? Consider the following two cases: CREATE TABLE foo ( a TEXT, B VARCHAR(512), pkey INTEGER ...
ams's user avatar
  • 62.9k