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What is the correct way to add reference column migration in Rails 6 without getting SQLite3::SQLEx… Read more How To Add Reference Column Migration In Rails 6 With Sqlite

I used the Railstutorials to create followers and followed_users http://ruby.railstutorial.org/chap… Read more Order Users Based On When The Relationship Was Created_at

What are the pros and cons of breaking out optional 1:1 attributes into their own separate model. F… Read more Rails Activerecord And Db Normalization

The model Price has an attribute data, so Price.pluck(:data) results in something like [3.99,4.55,… Read more Pluck Last Value Of An Association In Rails

I have a Rails application that uses MySQL. The application needs to populate sqlite databases to … Read more Any Suggestions For A Ruby Solution For Populating A Sqlite Database From A Mysql Source

I have an ActiveRecord schema, PurchaseSummary, that I inherited and THAT I CAN NOT CHANGE that loo… Read more Difficulty With Activerecord Query That Does Percentage Calculation

I'm trying to write a nested joins query with a condition. The query I have right now is: Event… Read more Rails Nested Joins Activerecord With Conditions

I've been reading through tutorial after tutorial, but nothing seems to be working out for me. … Read more Importing An Xml Document Into A Rails Database?

I've got an app that deals with websites. There's a model called 'sites', which has… Read more Multiple Model Scope With Multiple Where Statements

The error When I have a new record, I don't have a problem. When I have an existing record I… Read more Rails: Attempting Save An Existiing Row But Rails Generates Sql Insert Instead Of Update

When trying to install this through jenkins on Ubuntu, I'm running into some issues. I've … Read more Installing Sqlite3 On Ubuntu Not Playing Nice

I am using eager loading to join two of my tables Model1.eager_load(:model2) The Model1 table has … Read more Rails Activerecord Eager Load Takes A Long Time

Original problem: I'm (a newbie to ruby) using RVM to manage my ruby on Mac OSX 10.6 Here's… Read more Ruby Nubie On Osx - Can't Get Beyond Rake Db:migrate - Get [bug] Bus Error

I have just upgraded from rails 5.2 to rails 6 and when I try to do anything with the app the above… Read more Error Your Version Of Sqlite (3.7.17) Is Too Old. Active Record Supports Sqlite >= 3.8

So I've got the follow model in activerecord, I will use Discussion.user_replied_group_discussi… Read more Sql Query Order Problem

Currently my User model has the following code: has_many :notifications has_many :friendships … Read more Friendship Has_many Through Model With Multiple Status'

I'm building a Ruby on Rails hostel bed reservation system and I'm looking for a better way… Read more Faster Database Where For Rails Availability Calendar

I have a rails 3.1 app that i am trying to push to Heroku. It keeps failing when i push it. Install… Read more Rails 3.1 Sqlite3 Error On Push To Heroku

I have a function which I need to put into a SQLite3 query. I have the following method: def levens… Read more How Do I Put A Ruby Function Into A Sqlite3 Query?

I am having difficulty understanding how this section from this website on Rails SQL Injections wor… Read more Explain How Order Clause Can Be Exploited In Rails