The schema is the physical arrangement of the data as it appears in the DBMS. The subschema is the logical view of the data as it appears to the application program.
Latest Answer : Schema : RePresents the complete desription of the databasesubschema - subset of schema,application view of the idms db ...
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.
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 generates a bind run-unit and binds all the records for the sub-schema the program is referencing.
No. The mode is specified via the SYSCTL DD card in the JCL.
If you are current on the owner of a set, what is the difference between an obtain next and obtain first?
No difference. There is a difference between obtain first and obtain next for an area sweep, but not when current on the owner in a set.
Performing DML Operations on XML Schema Based XMLType Views | |
Performing DML Operations on XML Schema Based XMLType Views Analyzing the underlying query of the empSch v view discussed in the preceding section you may note that each attribute of the EMP T object used in the select list maps to a certain column of a single table namely emps What this means in pr
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What is Conceptual Schema | |
In any data warehouse implementation there are many different considerations which should in place before the final physical setting up. This is to avoid in problems related to quality of data and consistencies in data processes.
A conceptual schema is an abstract definition of the whole project.
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What is Business Schema | |
A schema that represents the structure of business transactions used by clients in the real world. It is considered to be unnormalized data.
The dictionary defines the word "schema" as a plan, diagram, scheme or an underlying organizational structure. It can also mean a c
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