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A set of possible data values is called?
A set of possible data values is called as domain.
why older data models are being replaced by new data models.
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
Question 1 What are the advantages of DBMS approach in managing data? Question 2 What are the services provided by a database system Question 3 List and briefly describe
composite attribute
Process to find the non-concurrent objects Once we find out non-concurrent (mutually exclusive) objects, we can fold all objects together in one thread of process or control. O
Which data type can store unstructured data? Raw data type can store unstructured data.
What do you mean by persistence? How you will make your data persistent? Persistent data is the data, which has a longer lifetime than program which has created it. Enabling th
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
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