Is there an easy way to filter a Django query based on which record has a max/min value in a column? I\'m essentially asking these questions, but in the specific context of Django\'s ORM.
Running this query: select name from folders order by name returns these results: alphanumeric a test test 20
can somebody please recomend me some python DBAL library that will best suit my requirements. I would like to wri开发者_Go百科te my sql statements directly, most of the logics will be in db stored pro
In the following expression \"DATETIME\"::date || \' 23:59:59.000\' I\'m converting a DATETIME field to a pure date. The string concatenation changes the value to the very end of the day. I would n
I have strange issue with nested left-joins in postgresql... It\'s hard to explain, but easy to show =) here we are:
I\'d like to understand the exact semantics of using \"FOR UPDATE\" in connection with \"JOIN\". Does it just lock all the rows that were effectively used to build the end result? Does it do something
I\'m using Zend Framework for my website and I\'d 开发者_高级运维like to retrieve some data from my PostgreSQL database.
I\'m learning postgresql and I can\'t figure out how to write this nested query or if it\'s even possible.
On the postgreSQL\'s wiki, on the \"Replication, Clustering, and Connection Pooling\" page ( http://wiki.postgresql.org/wiki/Replication,_Clustering,_and_Connection_Pooling) , it shows the following e
This question already has an answer here: Closed 11 years ago. Possible Duplicate: regexp_replace Unicode in PostgreSQL