abort (7)            - abort the current transaction
begin (7)            - start a transaction block
checkpoint (7)       - force a transaction log checkpoint
commit (7)           - commit the current transaction
end (7)              - commit the current transaction
prepare_transaction (7) - (unknown subject)
rollback (7)         - abort the current transaction
savepoint (7)        - define a new savepoint within the current transaction
set_transaction (7)  - (unknown subject)
start_transaction (7) - (unknown subject)
yum-complete-transaction (8) - (unknown subject)