Erase cancels the membership of a record in specific set occurrences and removes only the named record. Erase permanent removes the specific record and all mandatory occurrences it owns. It disconnects
IDMS uses record locks to prevent another run-unit from updating the same record.
Latest Answer: All objects and relations beween them are 100% "described" in IDMS IDD. So all tranzactions of any user or programmer are 100% documented. Advanced IDD administrator knows everytning about any user task or development step (about programmers ...
Locks may be shared or exclusive. Shared means that other run units can retrieve the record but can not modify it. Exclusive means that other run units can neither retrieve nor modify it. Record locks
Locks are released by a change in currency or by a commit, rollback or finish command.
nn29 means that two run units are waiting to set locks on the same record and are in deadlock.
An area sweep accesses records on the basis of the physical location in a database area. It can be total, meaning a record by record search of the area, or it can be of occurrences of records of a specific
Find tells you whether the record is actually in the database. If it is not found you save the overhead of an obtain.
When you are obtaining next within a set and get a end of set return code, on what record are you now current?
You are current on the owner.
A bind associates record types with the program work area; for run unit and records it is the first command issued in the program.
They communicate via service MVS request calls.
View page << Previous 1 2 3 [4] 5 Next >>
Go Top
