Oracle database 12c includes a number of new online operations. This article brings together all the articles related to online operations in Oracle Database 12c Release 1. - Online Move of Partitions and Sub-Partitions - Online Statistics Gathering for Bulk Loads - Invisible Columns - Metadata-Only DEFAULT Values - Online Move Datafile - Multiple Indexes on the Same Set of Columns - Online Operations In addition to the articles listed above, the following operations are now non-blocking provided the keyword is used. - The following operations are non-blocking without the keyword. -

For more information see: - Use Online operation enhancements Hope this helps. Regards Tim...