(PECL mongo >=0.9.2) Performs an operation similar to SQL's GROUP BY command

(PECL mongo >=0.9.0) String representation of this collection

(PECL mongo >=1.2.11) Retrieve a list of distinct values for the given key across a collection.

(PECL mongo >=0.9.0) Deletes an index from this collection

(PECL mongo >=0.9.0) Queries this collection, returning a single element

(PECL mongo >=0.9.0) Fetches the document pointed to by a database reference

(PECL mongo >=0.9.0) Creates a new collection

(PECL mongo >=0.9.0) Counts the number of documents in this collection

(PECL mongo >=1.0.2) Gets a collection public

(PECL mongo >=0.9.0) Returns this collection's name