I am having a problem from my database. I ne开发者_运维百科ver been used to work in PostgreSQL, and i would like to make a select from a UTC datetimefield and getting a GMT Datetime as result.
I am trying to switch my Rails TEST environment from SQLite3 to Postgresql. However, when I run rake spec:requests
I\'m trying to inject sample data into my database, and have created a fixture file that builds my model, and then merges the instance into the database. I\'m using merge, because I want to be able to
Why is \' 2\' with an initial space bigger than \'10\'? select \' 2\' > \'10\'; ?column? ----------
I want to do some cross database referen开发者_开发百科ces in my application. Briefly, i have two databases called meta and op. I want to do some select query from meta to a table in op database like
When creating a function like this with a non-super user I am getting the error below: ERROR: permissio开发者_Python百科n denied for language c
I want to save an image as a base64 string as part of开发者_运维技巧 a model in Rails. Does anyone have advice for the migration file?
I\'m putting the finishing touches on a home rolled QueryBuilder class for a web application with a postgresql DB. It uses PreparedStatement for all queries and is prote开发者_如何学Pythoncted against
This only happens until peak load of the system. Hibernate exception: org.hibernate.exception.JDBCConnectionException: could not execute query
I fail to decompose simple SQL queries. I use PostgreSQL but my question is als开发者_如何学Co related to other RDBMS.
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