# Step 1: Import the ActiveRecord module
require 'active_record'
# Step 2: Establish a connection to the database
ActiveRecord::Base.establish_connection(
adapter: 'your_database_adapter',
database: 'your_database_name',
username: 'your_username',
password: 'your_password',
host: 'your_host'
)
# Step 3: Define a model class that inherits from ActiveRecord::Base
class YourModel < ActiveRecord::Base
end
# Step 4: Use the `where` method to specify conditions for exclusion
results = YourModel.where.not(your_column: 'excluded_value')
# Step 5: Access the results as needed
results.each do |result|
# Do something with each result
end