Oracle Database 12c enhancements to SecureFiles
Oracle Database 12c adds the following features to the SecureFile LOBs:
SecureFiles
LOBwill be the default storage: You might have seen this point earlier in the chapter so this is just reiterating the fact that SecureFiles will be the default storage option in Oracle Database 12c. The value of thedb_securefileinitialization parameter isPREFERRED, which means that all LOBs on the ASSM enabled tablespace will be created as SecureFiles (unless BasicFile is explicitly specified or the tablespace is non ASSM).Parallel DML support for LOBs: If all the
LOBcolumns in a partitioned or non-partitioned table are SecureFiles, then DML operations can be executed in parallel.Data Pump uses SecureFile as the default
LOBstorage: You can now migrate a BasicFile to SecureFile using the Data Pump utility. During an export data pump operation, you can set theTRANSFORMhandle asLOB_STORAGEto decide how theLOBsegments will be created in the target database...
