1)what is the difference between view and materilized view?
2)what is the difference between delete and truncate?
3)what is the difference between migration and upgration?
4)what is the difference between RMAN HOT BACKUP and normal
hot backup?
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Answer Posted / praveen hattikal
2)Truncate is a DDL command, which has autocommit hence
cant be rolled back where as delete is DML with user commit
& roll back option. Truncate is faster then delete since it
wont store any data to backup tablespace. before delting.
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