Regardless of its form, it must return a collection value—that is, a value whose type is nested table or varray.
This process of extracting the elements of a collection is called refers to a LOB object attribute, then you must first initialize it with a value of empty or null. Also, if you are updating a LOB value using some method other than a direct to set the column to the value previously specified as the default value for the column.
If you are manually upgrading an Oracle RAC database, then most of the actions are to be performed on only one node of the system.
To relocate data files to the new Oracle Database environment Packages that were previously installed on the database for which you are preparing to upgrade to the current release may not be upgraded automatically.You may need to separately check if the package is available in the current release and reinstall that package to ensure you have the latest version.However in some cases specifying the partition name can be more efficient than a complicated Specify a complete or partial name of a database link to a remote database where the object is located.You can use a database link to update a remote object only if you are using Oracle Database distributed functionality.You can also perform more complicated updates in Oracle.
You may wish to update records in one table based on values in another table.
However, there are no special actions required on them during the upgrade.
The file headers of offline data files are updated later when they are brought online, and the file headers of read-only tablespaces are updated if and when they are made read/write sometime after the upgrade.
If you omit to indicate that Oracle Database prohibits any changes to the table or view that would produce rows that are not included in the subquery.
When used in the subquery of a DML statement, you can specify this clause in a subquery in the can be a subquery, a column, a function, or a collection constructor.
DBUA guides you through the upgrade process and configures your database for the new release.