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source/includes/fact-data-prep-oracle-step1.rst

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.. tip::
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To migrate data from a multi-tenant container database, use a `Common
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User
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<https://oracle-base.com/articles/12c/multitenant-manage-users-and-privileges-for-cdb-and-pdb-12cr1>`__.
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To migrate data from a multi-tenant container database, `create tablespaces
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and a Common User <https://oracle-base.com/articles/12c/multitenant-manage-users-and-privileges-for-cdb-and-pdb-12cr1>`__.
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a. Create a service account:
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source/jobs/prerequisites/oracle.txt

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:depth: 1
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:class: singlecol
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When you migrate data from an Oracle source database, that database may require
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configuration changes. If Relational Migrator determines the
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database needs configuration changes, it automatically generates a
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SQL script with the required changes. Have a Database Administrator (DBA)
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review the script and run the commands on the database server.
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When you migrate data from an Oracle source database, Relational Migrator
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automatically checks your database for needed configuration changes and
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generates a SQL script to implement them. Have a Database Administrator (DBA)
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review the script and run the commands on the database server.
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Oracle configuration depends on the type of migration job:
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- If you're migrating from an Oracle 12c instance, you must run commands as
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the SYSDBA role.
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- Oracle 12c introduced the concept of a pluggable database (PDB). Some
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of these commands can be run on a PDB (pluggable database), while commands
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like enabling ``ARCHIVELOG`` must be run on the
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container/master database (CDB). For details on each architecture,
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see `Overview of Container Databases and Pluggable Databases
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<https://oracle-base.com/articles/12c/multitenant-overview-container-database-cdb-12cr1>`__.
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commands can be run on a PDB, while commands like enabling ``ARCHIVELOG``
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must be run on the container/master database (CDB). For details on each
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architecture, see `Overview of Container Databases and Pluggable Databases <https://oracle-base.com/articles/12c/multitenant-overview-container-database-cdb-12cr1>`__.
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- Some commands differ based on whether the database is single or
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multi-tenant. In a multi-tenant database, permissions must
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include the suffix ``CONTAINER=ALL``.
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- Oracle Express editions don't support logging the necessary information for
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continuous migration jobs, so you can't run continuous migration against an
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Oracle XE database.
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- You can't run a continuous migration job against Oracle Database Express
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Edition (XE), because XE doesn't support the necessary logs.
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Steps
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#. If archive logging isn't already enabled, enable it.
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The following is an example of the code Relational Migrator
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The following code is an example. You can run it manually if you
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substituting your database name. If you're migrating a
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multi-tenant database, run these commands on the
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container/master database.
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Relational Migrator can automatically generate code to enable
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logging. The following code is an example. If you're migrating a
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multi-tenant database, run these commands on the container/
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master database.
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.. code-block:: sql
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:copyable: true
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.. step:: Enable supplemental logging
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a. Enable
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supplemental logging:
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a. Enable supplemental logging:
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.. code-block:: sql
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:copyable: true
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ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;
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#. You must also enable supplemental logging for every
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table in the migration:
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#. Enable supplemental logging for every table in the migration:
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.. code-block:: sql
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:copyable: true

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