drop_table(table_name, options = {}) public

Drops a table from the database.

Although this command ignores options and the block if one is given, it can be helpful to provide these in a migration’s change method so it can be reverted. In that case, options and the block will be used by create_table.

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April 8, 2009
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use create table :force => true

if you want to drop a table before creating one in a migration, use the :force => true option of the create_table method