rake/rdoctask is deprecated.  Use rdoc/task instead (in RDoc 2.4.2+)
rake db:abort_if_pending_migrations       # Raises an error if there are pending migrations
rake db:charset                           # Retrieves the charset for the current environment's database
rake db:collation                         # Retrieves the collation for the current environment's database
rake db:create                            # Create the database defined in config/database.yml for the current RAILS_ENV
rake db:create:all                        # Create all the local databases defined in config/database.yml
rake db:drop                              # Drops the database for the current RAILS_ENV
rake db:drop:all                          # Drops all the local databases defined in config/database.yml
rake db:fixtures:identify                 # Search for a fixture given a LABEL or ID.
rake db:fixtures:load                     # Load fixtures into the current environment's database.
rake db:migrate                           # Migrate the database through scripts in db/migrate and update db/schema.rb by invoking db:schema:dump. Target specific version with VERSION=x. Turn off output with VERBOSE=false.
rake db:migrate:down                      # Runs the "down" for a given migration VERSION.
rake db:migrate:redo                      # Rollbacks the database one migration and re migrate up.
rake db:migrate:reset                     # Resets your database using your migrations for the current environment
rake db:migrate:up                        # Runs the "up" for a given migration VERSION.
rake db:reset                             # Drops and recreates the database from db/schema.rb for the current environment.
rake db:rollback                          # Rolls the schema back to the previous version.
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:sessions:clear                    # Clear the sessions table
rake db:sessions:create                   # Creates a sessions migration for use with ActiveRecord::SessionStore
rake db:structure:dump                    # Dump the database structure to a SQL file
rake db:test:clone                        # Recreate the test database from the current environment's database schema
rake db:test:clone_structure              # Recreate the test databases from the development structure
rake db:test:load                         # Recreate the test database from the current schema.rb
rake db:test:prepare                      # Check for pending migrations and load the test schema
rake db:test:purge                        # Empty the test database
rake db:version                           # Retrieves the current schema version number
rake doc:app                              # Build the RDOC HTML Files
rake doc:clobber_app                      # Remove rdoc products
rake doc:clobber_plugins                  # Remove plugin documentation
rake doc:clobber_rails                    # Remove rdoc products
rake doc:guides                           # Generate Rails guides
rake doc:plugins                          # Generate documentation for all installed plugins
rake doc:rails                            # Build the RDOC HTML Files
rake doc:reapp                            # Force a rebuild of the RDOC files
rake doc:rerails                          # Force a rebuild of the RDOC files
rake gems                                 # List the gems that this rails application depends on
rake gems:build                           # Build any native extensions for unpacked gems
rake gems:install                         # Installs all required gems.
rake gems:refresh_specs                   # Regenerate gem specifications in correct format.
rake gems:unpack                          # Unpacks all required gems into vendor/gems.
rake gems:unpack:dependencies             # Unpacks all required gems and their dependencies into vendor/gems.
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
rake notes:custom                         # Enumerate a custom annotation, specify with ANNOTATION=WTFHAX
rake notes:fixme                          # Enumerate all FIXME annotations
rake notes:optimize                       # Enumerate all OPTIMIZE annotations
rake notes:todo                           # Enumerate all TODO annotations
rake rails:freeze:edge                    # Lock to latest Edge Rails, for a specific release use RELEASE=1.2.0
rake rails:freeze:gems                    # Lock this application to the current gems (by unpacking them into vendor/rails)
rake rails:template                       # Applies the template supplied by LOCATION=/path/to/template
rake rails:unfreeze                       # Unlock this application from freeze of gems or edge and return to a fluid use of system gems
rake rails:update                         # Update both configs, scripts and public/javascripts from Rails
rake rails:update:application_controller  # Rename application.rb to application_controller.rb
rake rails:update:configs                 # Update config/boot.rb from your current rails install
rake rails:update:generate_dispatchers    # Generate dispatcher files in RAILS_ROOT/public
rake rails:update:javascripts             # Update your javascripts from your current rails install
rake rails:update:scripts                 # Add new scripts to the application script/ directory
rake routes                               # Print out all defined routes in match order, with names.
rake secret                               # Generate a crytographically secure secret key.
rake stats                                # Report code statistics (KLOCs, etc) from the application
rake test                                 # Run all unit, functional and integration tests
rake test:benchmark                       # Run tests for benchmarkdb:test:prepare / Benchmark the performance tests
rake test:functionals                     # Run tests for functionalsdb:test:prepare / Run the functional tests in test/functional
rake test:integration                     # Run tests for integrationdb:test:prepare / Run the integration tests in test/integration
rake test:plugins                         # Run tests for pluginsenvironment / Run the plugin tests in vendor/plugins/*/**/test (or specify with PLUGIN=name)
rake test:profile                         # Run tests for profiledb:test:prepare / Profile the performance tests
rake test:recent                          # Run tests for recentdb:test:prepare / Test recent changes
rake test:uncommitted                     # Run tests for uncommitteddb:test:prepare / Test changes since last checkin (only Subversion and Git)
rake test:units                           # Run tests for unitsdb:test:prepare / Run the unit tests in test/unit
rake time:zones:all                       # Displays names of all time zones recognized by the Rails TimeZone class, grouped by offset.
rake time:zones:local                     # Displays names of time zones recognized by the Rails TimeZone class with the same offset as the system local time
rake time:zones:us                        # Displays names of US time zones recognized by the Rails TimeZone class, grouped by offset.
rake tmp:cache:clear                      # Clears all files and directories in tmp/cache
rake tmp:clear                            # Clear session, cache, and socket files from tmp/
rake tmp:create                           # Creates tmp directories for sessions, cache, sockets, and pids
rake tmp:pids:clear                       # Clears all files in tmp/pids
rake tmp:sessions:clear                   # Clears all files in tmp/sessions
rake tmp:sockets:clear                    # Clears all files in tmp/sockets
