I\'ve installed the pg gem as shown, but... Building native extensions.This could take a while... Successfully installed pg-0.11.0
OK, I\'ve read quite a few things about PostgresSQL and it seems to have a few features which seem pretty awesome, I really like the idea of being able to update a table and adding a column/index with
I\'ve开发者_如何学Python gone through Google and Stackoverflow and have yet to resolve my issue with installing the pg gem needed to deploy my app onto Heroku.
In our product database, ther is a slow sql which runs very frequently , just as the following csv logs shows that it usually taks more than 1 second , But it is so inconceivable thatwhen I
I\'m considering three alternatives to the seemingly simple task of updating multiple rows in a table. I\'d like to know which one is best in terms of efficiency and code readability. Though I\'m not
If a gis application has some tables which don\'t have gis related columns, does the performancebetter when use multiple databases (django.db.backends.postgresql_psycopg2 and django.contrib.gis.db.bac
I want to examine an index (and other objects) from psql. I created the index with: CREATE INDEX my_index on \"my_table\" (iso_country_code, type_name, UPPER(name) varchar_pattern_ops);
Will the following query be optimizable if I create indexes on latitude*69 and longitude*46? select * from lo开发者_如何学Gocations where abs(latitude*69 - 3036) <= 25
I\'m using postgres 8.4 and Rails 3.0.9 A couple of days ago I was using this combo fine locally and on Heroku.Today I load my Rails server locally and I get two new messages, a Deprecation Warning a
CREATE TABLE TEST ( customername varchar(50) ); INSERT INTO TEST VALUES(\'CUSTOMER 1\'); INSERT INTO TEST VALUES(\'CUSTOMER 1\');
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