active-record - Today I learned

How to fix the Index name too long error in rails migrations

Today, I was reviewing some legacy code, trying to isolate the bottlenecks and pinpoint the optimisation strategies for scaling and performance optimisations of a rails app. As the usual procedure, I wanted to check the database indexes and see if something was missing here.

SQL

Find out which part of your code is triggering ActiveRecord or SQL queries.

Today, I got a new pet project to play with and my job was to identify the bottlenecks and performance improvements we can make in the application. So I wanted to jump in and wanted to see what SQL queries were being triggered when

ruby

Connecting Ruby & Active Record Without Rails

require 'active_record' require 'mysql2' # or 'pg' or 'sqlite3' # Change the following to reflect your database settings ActiveRecord::Base.establish_connection( adapter: 'mysql2', # or 'postgresql' or 'sqlite3' host: 'localhost', database: 'your_database', username: 'your_username', password: 'your_password' ) # Define your classes based on the

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