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Online reorganization [Oracle]

With online reorganization it is possible to change a table's organization while users access the table! The following reorganization of tables are possible:
  • changing physical and/or logical attributes
  • moving the table to a new location
  • partitioning the table
  • conversion of table types (for example heap organized tables to index organized tables)
  • chaning column names, types and/or sizes
  • adding, deleting and/or merging columns (with the exception of the primary keys.
  • creating and rebuilding secondary indexes on index organized tables.
  • creating and analyzing indexes online
  • ....