The older LOBs are archived under the BasicFiles category. Note that they are not extinct or obsolete, but are less effective after the induction of the SecureFiles feature. A new system can adopt the SecureFiles as a new table or a new partition. What about the older data which follows costly implementation and has no security? It must inherit the new philosophy, so as to unify the system in terms of data security and management. For this reason, several migration techniques have been jotted-out to upgrade the BasicFile data to the SecureFile. We will briefly discuss these methods:
Online Redefinition method: It is one of the highly recommended methods to move the BasicFile data. A table or a partition of a table can be redefined to achieve the migration from the BasicFile to the SecureFile. It is a secure and convenient method where the database remains up during the complete process.
Partition method: Usually, this method is preferred in low prioritized...