…It's important to note that none of the topics or commands we'll look at are specific to SQLite3. All the query examples we'll go over below are ISO 9705 compliant and will work in any of the major databases ( Postgresql , MySql , Oracle , etc).
From the command line fire up SQLite3 and create a database named back_to_basics : % sqlite3 back_to_basics
Now let's create three tables. We'll call them players , teams and players_teams …
Heroku provides a way to push (and pull) data to the production database from the development, but it didn't really work for me, I raised a ticket - let's see how it goes.
7.2. - Logs and console
Both logs and console are accessible via heroku command. Run "heroku logs" to get the latest extract from logs and "heroku console" to load the console for debugging / testing purposes. …
…MVCC database (write do not block reads, and vice versa) that runs in the same process (a la SQLite), which we've also merged with our application code and our caching tier, so we're down to—literally—a single process for what would have been at least three separate tiers in a traditional setup.
The result is that we had to move to measuring request latency in microseconds exclusively. The architecture (without additional application-specific processing) supports a wire-to-wire …
Why is this significant? It means thatis now the only widely-used SQL implementation that does not support recursive queries. Fifteen years after it was defined in the SQL standard, almost every other SQL database of note has supported this feature:
and SQLite3 interaction
The course contents are subject to change.
Satish Talim and Victor Goff III from the team.
Some of the mentors and students hang out at RubyLearning's IRC (irc.freenode.net) channel (#) for both technical and non-technical discussions. Everyone benefits with the active discussions on with the mentors.
Simple CRUD app with, SQLite3 and
You can read through the RubyLearning FAQ .
Here are some of the fun apps created by the previous batch participants and deployed to:
A app to access via GeoCoder
Base - Elements has a SQLite database behind it. I'm constantly inspecting the database contents using this application. It's lightweight and easy to use.
Charles - Sometimes I want to snoop the traffic that is going through an iPhone app. Setting up makes it pretty easy to do just that.
CodeRunner : There are times I am writing a small snippet of code to share with someone or just to test an idea on my own. I don't necessarily need the full …
…follow these instructions, you have to use MySQL as your database rather than the default SQLite3. I've heard of a number of problems getting SQLite3 to work with Rails on Windows, which may be why this is the case. The end result is that if you want to create a new project, you'll enter a slightly longer command: rails new your_project_name -d mysql
The recipe has 5 steps, each with its own video:
Install Ruby 2.0
Install Git (and use it to clone …
…communicating relationships in data . Supports, , SQLite, , and out-of-the-box.
As an engineer,
I'm sort of a student of
how things fall apart.
§ Eric Bogs :
If Tetris has taught me anything, it is that errors pile up and accomplishments disappear.
§ Rich Rogers :
"A good programmer is someone …