CA Endevor/DB™ for CA IDMS™ (CA Endevor/DB) Example. The example below defines a basic database name table that is suitable if all. Using the IDMS Database Automatic System Facility (ASF) · Using Common Facilities · Command Facility Basics of Using TCF. Last update July 29, + Idms (integrated Database Management System) Interview Questions and Answers, Question1: What does a store statement do? Question2: What is.

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They communicate via service MVS request calls. This feature, that continuously optimizes the available space on the page, reduces unusable space to a minimum.

Its mandatory members will be erased, and its optional members disconnected. First 3 steps are same as that of DMLO, i.

The first duplicate record encountered in the next direction is always the most recently stored duplicate record. As with record types and record occurrences, there is an important distinction between a set type and a set occurrence.

Sometimes we need to access records based on more than one key.

Find out the part of code where currency loss takes place. Faculty Subject Faculty-Course l Subject-Course l l l l l l Course l l Course-Participant l l Participant l Participant-Performance l l Performance A set that consist of only two record types is generally given a name that is a concatenation of the names of Owner and Member record types separated by hyphen.


In the above example, it retrieves a particular Department record occurrence. We miss S2 here.

Consider another example given below about chain pointers. Consider the Subject entity and its attributes. Areas contain occurrences of the records that make up networked-structured databases. With this option, a new member record is not automatically connected to a set occurrence when it is added to the database.

Entity, Logical and Physical Structure 2. Record Here, we discuss the characteristics that apply to record types.

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Employee E5 is not attached to any Department, but the program concludes that it is attached to Dept D1. Run unit 2 is now allowed to retrieve the E1 record.

The before and after record images that are recorded between these two checkpoints constitute a record of all the updating the run unit performed. Following is another example of bubble diagram. Each page has a unique page number. Cullinet attempted to continue competing against IBM ‘s DB2 and other relational databases by developing a relational front-end and a range of productivity tools.

A set occurrence, on the other hand, consists of a specific single occurrence of the owner record type and all occurrences of the member record type that are associated with it.


An area sweep accesses records on the basis of the physical location in a database area. Areas cannot overlap i. As shown in Employee Database, the Expertise record participates in two set types. Also a partial or generic key value can be used.

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Select from the given record types Next screen: With this option, a record occurrence with a duplicate CALC-key value will be accepted. One simple technique is simply to count the number of updates the run unit processes.

Select the required elements of the selected record types as columns of the report. It nullifies current pointers for: In the source code was licensed to ICLwho ported the software dataabase run on their databbase mainframes, and subsequently also on the older range.