actionscript 3 - Which method is better for offline storage in flex -

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i working in mobile application in need store data in offline. i've searched in web , found 3 methods store data offline.

  1. shared object

  2. sqllite database

  3. store in binary file

now, know method offline storage in flex. if store large data video, audio , text in offline storage.

and why method better storing data?

i not used shared object, can tell use of each options

  1. shared object used store data object.
  2. sqllite database used storing textual data.
  3. binary file is more useful because performs , store large amount of data.

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