Ingres 9.2 Migration Guide - Actian

How You Perform an Upgrade Using Unload/ReloadSave Users, Groups, and RolesNote: This step is required only for a clean-install upgrade.To save users, groups,and roles1. As the installation owner, change directory to the iidbdb unload directorycreated in Step 1 of the upgrade procedure.2. Run the following SQL to save users, groups, and roles:sql iidbdb copy iiusergroup ( groupid=c0comma,groupmem=c0nl) into 'groups.out'\gocopy iirole(roleid=c0nl) into 'roles.out' \go create table role_tmp asselect role_name,grantee_namefrom iirolegrantwhere admin_option 'Y'\gocopy role_tmp(role_name = c0comma,grantee_name = c0nl) into 'rolegrants.out';drop role_tmp;\go\quit3. Run accessdb, and select Users, then SQLscript.A file called users.sql is written that will recreate all users, as they arecurrently defined.Note: SQLscript creates users only, and not the profiles, groups, or rolesassociated with each user. Roles and groups must be unloaded andreloaded for the script to generate the expected results.Destroy the DatabaseNote: This step is required only for an in-place upgrade.Destroy each database using the destroydb command.Upgrading Using Unload/Reload 63