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ActiveRecord Datatypes
List of the datatypes used in Rails migrations and other places
Built in standard data types
ActiveRecord has these built in
As an ORM, it promises that all the databases that it supports will have an analog to these
primary_key
string
text
integer
bigint
float
decimal
numeric
datetime
time
date
binary
boolean
Certain databases, notably Postgres, has some very interesting additional types:
ActiveRecord Postgres
To use them you need to go outside the built in ActiveRecord datatypes
Intro
Cosi105 - Scalability 2022 Syllabus
List of lectures
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Homeworks
Lectures
Web Apps + Sinatra
Welcome
What is Scalability?
Cosi166 Quick Bullets
Intro to Sinatra
Sinatra and Twitter
NanoTwitter introduced
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Starting to think about scaling
Scaling at Hubspot
Service Oriented Architecture
Deploying to the Cloud
Scalable Service design
Scalability, continued
Testing in the world of SOA
Scaling Patterns
Testing Scalability
Tuning for Scale
Logging
Caching
Database Tuning 1
Database Tuning 2
Concurrency 1
Concurrency 2
Queueing
SOA + µservices
Software Engineering
Scalability Runoff 1
Last class!
Background
Technical Presentations
Misc Links and Resources