alter database DBS-NAME
{
reset [{all|data}]
|force restructure
|load alias_table ALT-NAME-SINGLE from data_file FILE-NAME
|unload alias_table ALT-NAME-SINGLE
|add variable VARIABLE-NAME [STRING]
|drop variable VARIABLE-NAME
|delete lro
{
all
|by USER-NAME
|before DATE
|by USER-NAME before DATE
}
|unlock all objects
|begin archive to file FILE-NAME
|end archive
|[force] archive to file FILE-NAME
|[force] restore from file FILE-NAME
|replay transactions
{
after LOG-TIME
|using sequence_id_range ID-RANGE
}
|rename to DBS-STRING
|comment COMMENT-STRING
}