如在LINUX 下,還可以細化,比如: rake -T |grep "db:"

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D:/rails_app/cucumber>rake -T
(in D:/rails_app/cucumber)
rake db:abort_if_pending_migrations? # Raises an error if there are pending...
rake db:charset????????????????????? # Retrieves the charset for the curren...
rake db:collation??????????????????? # Retrieves the collation for the curr...
rake db:create?????????????????????? # Create the database defined in confi...
rake db:create:all?????????????????? # Create all the local databases defin...
rake db:drop???????????????????????? # Drops the database for the current R...
rake db:drop:all???????????????????? # Drops all the local databases define...
rake db:fixtures:identify??????????? # Search for a fixture given a LABEL o...
rake db:fixtures:load??????????????? # Load fixtures into the current envir...
rake db:migrate????????????????????? # Migrate the database through scripts...
rake db:migrate:down???????????????? # Runs the "down" for a given migratio...
rake db:migrate:redo???????????????? # Rollbacks the database one migration...
rake db:migrate:reset??????????????? # Resets your database using your migr...
rake db:migrate:up?????????????????? # Runs the "up" for a given migration ...
rake db:reset??????????????????????? # Drops and recreates the database fro...
rake db:rollback???????????????????? # Rolls the schema back to the previou...
rake db:schema:dump????????????????? # Create a db/schema.rb file that can ...
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...
rake db:structure:dump?????????????? # Dump the database structure to a SQL...
rake db:test:clone?????????????????? # Recreate the test database from the ...
rake db:test:clone_structure???????? # Recreate the test databases from the...
rake db:test:load??????????????????? # Recreate the test database from the ...
rake db:test:prepare???????????????? # Check for pending migrations and loa...
rake db:test:purge?????????????????? # Empty the test database
rake db:version????????????????????? # Retrieves the current schema version...
rake doc:app???????????????????????? # Build the app 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 insta...
rake doc:rails?????????????????????? # Build the rails HTML Files
rake doc:reapp?????????????????????? # Force a rebuild of the RDOC files
rake doc:rerails???????????????????? # Force a rebuild of the RDOC files
rake features??????????????????????? # Run Features with Cucumber
rake gems??????????????????????????? # List the gems that this rails applic...
rake gems:build????????????????????? # Build any native extensions for unpa...
rake gems:install??????????????????? # Installs all required gems for this ...
rake gems:refresh_specs????????????? # Regenerate gem specifications in cor...
rake gems:unpack???????????????????? # Unpacks the specified gem into vendo...
rake gems:unpack:dependencies??????? # Unpacks the specified gems and its d...
rake log:clear?????????????????????? # Truncates all *.log files in log/ to...
rake notes?????????????????????????? # Enumerate all annotations
rake notes:custom??????????????????? # Enumerate a custom annotation, speci...
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 spe...
rake rails:freeze:gems?????????????? # Lock this application to the current...
rake rails:unfreeze????????????????? # Unlock this application from freeze ...
rake rails:update??????????????????? # Update both configs, scripts and pub...
rake rails:update:configs??????????? # Update config/boot.rb from your curr...
rake rails:update:javascripts??????? # Update your javascripts from your cu...
rake rails:update:scripts??????????? # Add new scripts to the application s...
rake routes????????????????????????? # Print out all defined routes in matc...
rake secret????????????????????????? # Generate a crytographically secure s...
rake stats?????????????????????????? # Report code statistics (KLOCs, etc) ...
rake test??????????????????????????? # Run all unit, functional and integra...
rake test:benchmark????????????????? # Run tests for benchmarkdb:test:prepa...
rake test:functionals??????????????? # Run tests for functionalsdb:test:pre...
rake test:integration??????????????? # Run tests for integrationdb:test:pre...
rake test:plugins??????????????????? # Run tests for pluginsenvironment / R...
rake test:profile??????????????????? # Run tests for profiledb:test:prepare...
rake test:recent???????????????????? # Run tests for recentdb:test:prepare ...
rake test:uncommitted??????????????? # Run tests for uncommitteddb:test:pre...
rake test:units????????????????????? # Run tests for unitsdb:test:prepare /...
rake time:zones:all????????????????? # Displays names of all time zones rec...
rake time:zones:local??????????????? # Displays names of time zones recogni...
rake time:zones:us?????????????????? # Displays names of US time zones reco...
rake tmp:cache:clear???????????????? # Clears all files and directories in ...
rake tmp:clear?????????????????????? # Clear session, cache, and socket fil...
rake tmp:create????????????????????? # Creates tmp directories for sessions...
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

總結

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