Simply,
1. No Longer exist deleted flag record section.
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I understand reuse the deleted flag tuple to insert new data.
When i need to create new another record more and more when there is no longer exist deleted flag record section.
Increate the data file? or throw DuplicateException?
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2. Is it possible locking whole database file during accessing database?
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Is it possible locking whole database file during accessing database?
or should I implement locking algorithm for each record?
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Any comments could be happy for me. ^^