Best Practice for using Transportable Tablespace

Check restrictions/limitations in question above.
If you are migrating a database, (a) make sure there are no invalid objects in the source database before making the export.
Take a full norows export to recreate objects that won't be transported with TTS.
Keep the source database viable until you have determined all objects are in the target database and there are no issues (i.e. the target database has been thoroughly checked out and exercised).
Do a dry run to work out any unexpected issues and determine timings.

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