Tagged Questions
-1
votes
1answer
89 views
Which database choose for my case? [closed]
I'm starting develop a new web application with PHP. This app will store GPS data from vehicles to trace their path. It's a monitoring tool. I'm predicting a large growth of data on it's database.
...
0
votes
1answer
258 views
What schema documentation tools exist for PostgreSQL [closed]
MySQL has MySQL Workbench for designing and documenting your schema, and generates CREATE and ALTER scripts based on your design. We're looking at migrating to PostgreSQL in the near future, and we ...
0
votes
1answer
432 views
How to check for null in most sql's - “column is null” or “column = null” [closed]
I'm not sure of the right syntax to use.
Is it
select * from tlb
where flag is NULL
or
select * from tlb
where flag = NULL
Is the answer the same for oracle, sqlserver and Postgres?
6
votes
2answers
719 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 ...
5
votes
6answers
2k 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 ...
4
votes
9answers
4k 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 ...
