class ActiveRecord::ConnectionAdapters::Table

See {connection.remove_check_constraint}[rdoc-ref:SchemaStatements#remove_check_constraint]

t.remove_check_constraint(name: "price_check")

Removes the given check constraint from the table.

def remove_check_constraint(*args, **options)
  @base.remove_check_constraint(name, *args, **options)
end