SQL/MX 3.2.1 Installation and Upgrade Guide (H06.26+, J06.15+)

6 Upgrading the system to SQL/MX Release 3.2.x
This section addresses the following topics:
• “Planning for release downgrade” (page 37)
• “Upgrading the system from SQL/MX Release 2.3.x to SQL/MX Release 3.2.x” (page 37)
• “Upgrading the system from SQL/MX Release 3.0 or Release 3.1 to SQL/MX Release 3.2.x”
(page 41)
• “Upgrading the metadata and using new features on existing and new databases” (page 44)
Planning for release downgrade
Before you install SQL/MX Release 3.2.x, plan for a release downgrade to an earlier version. To
fall back to versions earlier than SQL/MX Release 2.3.4, you must first fall back to SQL/MX Release
2.3.4 and then to the required SQL/MX Release 2.x version.
To fall back to a previous version of SQL/MX, see “Falling back from SQL/MX Release 3.2.x”
(page 46).
NOTE: If you face any problem when using a new feature, discontinue the use of the feature
instead of falling back to a previous version.
Upgrading the system from SQL/MX Release 2.3.x to SQL/MX Release
3.2.x
This section describes the sequence and the procedures to upgrade the system from SQL/MX
Release 2.3.x to SQL/MX Release 3.2.x.
• “System upgrade sequence” (page 37)
• “Preinstallation” (page 38)
• “Installing SQL/MX” (page 39)
• “Accessing the database” (page 39)
• “Upgrading the metadata after system upgrade” (page 40)
• “Migrating applications after system upgrade” (page 40)
System upgrade sequence
To upgrade from SQL/MX Release 2.3.x to SQL/MX Release 3.2.x, you must follow the sequence
shown in Figure 4 (page 38).
Planning for release downgrade 37