Validates readiness for downgrade to an earlier 15.0.x release. Also downgrades the system catalog changes Adaptive Server 15.0.2 modified.
sp_downgrade @cmd = {'prepare' | 'downgrade' | 'help',} @toversion = 'n'[, @verbose = 0 | 1][, @override = 0 | 1]
is use first to validate readiness of Adaptive Server 15.0.2 for downgrade.
is used after prepare parameter when ready to proceed with the act of downgrading to a previously installed 15.x version of Adaptive Server. Server must be in single user mode. (started with -m option)
can be 15.0 or 15.0.1 written “150” or “15.0”, “1501” or “15.0.1”
specifies verbosity. Valid options are 0 (for no) or 1 (for yes).
specifies whether to skip databases that are not writable at this time. Valid options are 0 (for no) or 1 (for yes).
This is an example of the output from running sp_downgrade.
00:00000:00006:2007/04/25 17:39:29.63 server Starting downgrading ASE. 00:00000:00006:2007/04/25 17:39:29.64 server Downgrade : Downgrading login passwords. 00:00000:00006:2007/04/25 17:39:29.64 server Downgrade : Starting password downgrade. 00:00000:00006:2007/04/25 17:39:29.64 server Downgrade : Removed sysattributes rows. 00:00000:00006:2007/04/25 17:39:29.64 server Downgrade : Updated 0 passwords. 00:00000:00006:2007/04/25 17:39:29.65 server Downgrade : Removed columns in syslogins - lastlogindate, crdate, locksuid, lock reason, lockdate are removed. 00:00000:00006:2007/04/25 17:39:29.65 server Downgrade : Truncated password lengths. 00:00000:00006:2007/04/25 17:39:29.65 server Downgrade : Successfully completed password downgrade. 00:00000:00006:2007/04/25 17:39:29.65 server Downgrade : Marking stored procedures for recompilation. 00:00000:00006:2007/04/25 17:39:31.31 server Downgrade : Dropping Sysoptions system table. 00:00000:00006:2007/04/25 17:39:31.33 server Downgrade : Setting master database minor upgrade version. 00:00000:00006:2007/04/25 17:39:31.33 server Downgrade : Setting user databases minor upgrade version.
Use to revert to the previously installed Adaptive Server 15.0.x release. At this time it is not possible to revert to Adaptive Server 15.0.2.