On Aug 7, 2010, at 11:05 PM, Pavel Stehule wrote:

>> COLLECTION?
> 
> yes, sorry - simply - class where fields can be accessed via specified
> index - unique or not unique.

Like in Oracle? From: 
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14261/collections.htm

> A collection is an ordered group of elements, all of the same type. It is a 
> general concept that encompasses lists, arrays, and other datatypes used in 
> classic programming algorithms. Each element is addressed by a unique 
> subscript.

There are no keys.

Best,

David


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