remove_index(table_name, options = {}) public

Remove the given index from the table.

Remove the suppliers_name_index in the suppliers table (legacy support, use the second or third forms). 

  remove_index :suppliers, :name

Remove the index named accounts_branch_id in the accounts table. 

  remove_index :accounts, :column => :branch_id

Remove the index named by_branch_party in the accounts table. 

  remove_index :accounts, :name => :by_branch_party
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