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What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
Explanation on Data Sharing?
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest level of abs
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
prototype of a distributed information system for a national car part retail outlet chain.
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
What is Hierarchical DBMS In HDBMS, data is structured in a tree like manner. There is a parent-child relationship between data items and the data model is very suitable for re
Q. Define a weak entity set and its identifying relationship. List the necessary conditions for a meaningful identifying relationship set of a weak entity set. Entity is a t
explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.
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