![]() Related Questions A page is the smallest unit of storage in an IDMS database. In local there is no IDMS System running above the DBMS. It is the more efficient mode but lacks the recovery and integrity facilities of the central version (CV) control program. In CV many application It releases all database resources, terminates database processes, writes statistical information to IDMS and logs the checkpoint. It generates a bind run-unit and binds all the records for the sub-schema the program is referencing. Autostatus is a protocol mode which causes the expansion of each DML statement to include a perform IDMS-Status statement. The old joke - where the programmer thinks he is, but the DBMS knows he is not. Currency is the location within the database during run-unit execution. There are four levels of currency: current of run-unit 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 nn29 means that two run units are waiting to set locks on the same record and are in deadlock. Find tells you whether the record is actually in the database. If it is not found you save the overhead of an obtain.
Sponsored Links
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||