Questions tagged [postgres]

PostgreSQL, A.K.A Postgres, is an open source object-relational database management system (ORDBMS).

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Logging to database: Log first or action first?

Long story short, I'm working on a web-based frontend that interacts with a database, and one of the functions is that every action on a particular table gets logged to keep a full history of all ...
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1answer
82 views

Verify uniqueness of new content

I'm working on a review site, where there is a minor issue with almost duplicate reviews across items. Just a few words are changed. It would be very nice to be able to uncover these duplicates before ...
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1answer
2k views

Established coding standards for pl/pgsql code

I need to standardize coding practices for project that compromises, among others, of pl/pgsql database, that has some amount of nontrivial code. I look for: Code formatting guidelines, especially ...
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1answer
449 views

Breaking 1NF to model subset constraints. Does this sound sane?

My first question here. Appologize if it is in the wrong forum but this seems pretty conceptual. I am looking at doing something that goes against conventional wisdom and want to get some feedback ...
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2answers
2k views

Making the switch from MySQL to PostgreSQL?

I've spent the last year becoming really comfortable with MySQL, but due to its increasing trendiness and my desire to homogenize my web-apps with Heroku, I'd like to start using PostgreSQL for my web ...
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3answers
37k views

Is there any reason to use varchar over text columns in a database?

Is varchar just a remnant from before text came around, or are there use cases where you would want to use a varchar? (Or char for that matter..) (I use Postgres and MySQL (MyISAM) daily, so those ...
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1answer
151 views

How to use database adapters' cursors safely?

I started to use psycopg2 to connect my little python script to a PostgreSQL database few days ago. After some research I found that a lot of database connector, like psycopg, work using cursors. I ...
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3answers
377 views

Optimal Database design regarding functionality of letting user share posts by other users

I want to implement functionality which let user share posts by other users similar to what Facebook and Google+ share button and twitter retweet. There are 2 choices: 1) I create duplicate copy of ...
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2answers
161 views

How to handle manipulation of data after a db record is written from outside my program

I have written a warehouse management web app. The application handles batch picking, warehouse routing, packing, and the final piece is handled by UPS worldship to "ship" the packages. Worldship will ...
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9answers
22k views

Is there a large bank using Mysql or PostgreSQL? [closed]

I always thought the largest scale of banks use Oracle. However, there is no proof they really use Oracle instead of Mysql or PostgreSQL, nobody knows the secret. Any idea what they really use? Can ...
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21answers
142k views

Stored Procedures a bad practice at one of worlds largest IT software consulting firms?

I'm working at a project in one of the world's top 3 IT consulting firms, and was told by a DBA that company best practice's state stored procedures are not a "best practice". This is so contrary to ...
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3answers
411 views

What reading is recommended for an experienced Java/SQL Developer moving to Apache/Tomcat, Postgres, Hibernate [closed]

I am taking over management and development of a website developed in Java using Hibernate and Postgres, running on Apache/Tomcat. I am an experienced Java developer, and have experience in Ruby on ...

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