1Z0-144 Web TestEngine demo

when you want to retrieve an entire row from a table and perform calculations

when you know the number of elements in advance and the elements are usually accessed sequentially

when you want to create a separate lookup table with multiple entries for each row of the main table, and access it through join queries

when you want to create a relatively small lookup table, where the collection can be constructed in memory each time a subprogram is invoked