title: Why is rake db:migrate:reset not listed in rake -T?
body: <p>Why are some rake tasks not listed by <code>rake -T</code>? Like <code>db:migrate:reset</code>? I can execute it without a problem, but why is it not listed there? Is there a way to get a real full list of rake tasks?</p>
  
  <pre>
  % rake -T
  (in /home/zeus/projects/my_project)
  rake about              # List versions of all Rails frameworks and the environment
  rake db:create          # Create the database from config/database.yml for the current Rails.env (use db:create:all to create all dbs in the config)
  rake db:drop            # Drops the database for the current Rails.env (use db:drop:all to drop all databases)
  rake db:fixtures:load   # Load fixtures into the current environment's database.
  rake db:migrate         # Migrate the database (options: VERSION=x, VERBOSE=false).
  rake db:migrate:status  # Display status of migrations
  rake db:rollback        # Rolls the schema back to the previous version (specify steps w/ STEP=n).
  rake db:schema:dump     # Create a db/schema.rb file that can be portably used against any DB supported by AR
  rake db:schema:load     # Load a schema.rb file into the database
  rake db:seed            # Load the seed data from db/seeds.rb
  rake db:setup           # Create the database, load the schema, and initialize with the seed data (use db:reset to also drop the db first)
  rake db:structure:dump  # Dump the database structure to an SQL file
  rake db:version         # Retrieves the current schema version number
  rake doc:app            # Generate docs for the app -- also availble doc:rails, doc:guides, doc:plugins (options: TEMPLATE=/rdoc-template.rb, TITLE="Custom Title")
  rake erd                # Generate an Entity-Relationship Diagram based on your models
  rake log:clear          # Truncates all *.log files in log/ to zero bytes
  rake middleware         # Prints out your Rack middleware stack
  rake notes              # Enumerate all annotations (use notes:optimize, :fixme, :todo for focus)
  rake notes:custom       # Enumerate a custom annotation, specify with ANNOTATION=CUSTOM
  rake rails:template     # Applies the template supplied by LOCATION=/path/to/template
  rake rails:update       # Update both configs and public/javascripts from Rails (or use just update:javascripts or update:configs)
  rake routes             # Print out all defined routes in match order, with names.
  rake secret             # Generate a crytographically secure secret key (this is typically used to generate a secret for cookie sessions).
  rake spec               # Run all specs in spec directory (excluding plugin specs)
  rake spec:acceptance    # Run the code examples in spec/acceptance
  rake spec:controllers   # Run the code examples in spec/controllers
  rake spec:helpers       # Run the code examples in spec/helpers
  rake spec:lib           # Run the code examples in spec/lib
  rake spec:mailers       # Run the code examples in spec/mailers
  rake spec:models        # Run the code examples in spec/models
  rake spec:rcov          # Run all specs with rcov
  rake spec:requests      # Run the code examples in spec/requests
  rake spec:routing       # Run the code examples in spec/routing
  rake spec:views         # Run the code examples in spec/views
  rake stats              # Report code statistics (KLOCs, etc) from the application
  rake test               # Runs test:units, test:functionals, test:integration together (also available: test:benchmark, test:profile, test:plugins)
  rake test:recent        # Run tests for recenttest:prepare / Test recent changes
  rake test:uncommitted   # Run tests for uncommittedtest:prepare / Test changes since last checkin (only Subversion and Git)
  rake time:zones:all     # Displays all time zones, also available: time:zones:us, time:zones:local -- filter with OFFSET parameter, e.g., OFFSET=-6
  rake tmp:clear          # Clear session, cache, and socket files from tmp/ (narrow w/ tmp:sessions:clear, tmp:cache:clear, tmp:sockets:clear)
  rake tmp:create         # Creates tmp directories for sessions, cache, sockets, and pids
  </pre>