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What does a status return code of nn29 mean in relation to record locks?
nn29 means that two run units are waiting to set locks on the same record and are in deadlock.


  
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A record occurrence is the instances of a record; it is the smallest addressable unit of data. A type is the description of a record; there need not be any occurrences.  

An OOK-Rec is a one of a kind record set, used to get to another record set 
Latest Answer : OOK-REC - it is IDD metaschema record. IDD metaschema is generating during installiation time ...

A junction record is a member record type that allows for many-to-many relationship between its two owner records. For a school database the CLASS record is a junction for the TEACHER and SUBJECT record 

A set is an owner record and, optionally, its member records. There are three types of pointers: next, prior and owner, but only next is required. There are five possible orders for arrangements of sets; 
Latest Answer : A.By Codasyl conception SET is data chain between Owner and Member record. B.Pointers: NEXT,PRIOR,OWNER(direct adresation to OWNER_RECORD from MEMBER).At least NEXT pointer is requered to navigate via set.C. Number of sets really  is unlimited. ...

It writes a checkpoint to the Journal File and releases any record locks.  
Latest Answer : It completes a LUW. In case of DB2  changes made to database will not take effect untill a COMMIT statement is encountered. ...

IDD is the Integrated Data Dictionary. It contains information about the elements, record types, sets, maps and dialogues within the database.  
Latest Answer : Integrated Dictionary Directory. IDD - it is metaschema where are stored other "entities" of IDMS components -  elements, records, maps,dialogs,areas, subschemas, schemas. ...

0307 is end-of-set and 0326 is record not found.  

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It places a record in the database based on the location mode specified.  

It will connect to all sets where it is defined as an automatic member. The store requires that currency be established for all these set occurrences.  


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