I\'m having trouble in getting Django work with a postgresl database on my webhosting provider. My situ开发者_运维技巧ation is as follows: I have an account on my webhosting provider, I do not have r
Here\'s a morning challenge: you have a table with rows like this: => select * from candidates; id |name
Table \'animals\': animal_name animal_type TomCat JerryMouse KermitFrog开发者_开发百科 Query: SELECT
I am running a rails 3 app that models email messages. The app is deployed on on Heroku so the backend db is PostgreSQL. Messages threads are simple modeled by the thread_id field in the Posts table.
I need something similar to mysql\'s GRANT SELECT ON db.* TO user in postgresql 8.4. The solutions I find online use a for loop to select tables on at a time and grant privileges on them. But that wou
I have the following PostgreSQL script: CREATE OR REPLACE FUNCTION merge_fields() RETURNS VOID AS $$ DECLARE
I have an .sql file which is around 2 gb of size. I want to open the database locally on my laptop. To do so I guess I have to install both the SQL server and the SQL client application on my laptop.
I\'m using Tomcat 7.0.12 and receiving this error whenever I attmept to access a JNDI datasource connecting to a postgresql db via a .jsp page in a webapp called \'ROOT\':
I have the following query from sqlite and would like to convert it to postgres: select date(date, \'-\'||strfti开发者_如何学Cme(\'%w\', date)||\' days\') as date from msgs group by date order by dat
What is the fastest way to unwrap array into rows in PostgreSQL? For instance, We have: a - {1,2} {2,3,4} And we need: