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What are the different approaches for database design?
There are two basic approaches for database design which are as follows:
Attribute driven: It compiles a list of attributes relevant to application, and normalizes the groups of attributes which preserve functional dependencies. Entity driven: It discovers entities which are meaningful to application, and describe them.
what is RDBMS? how it works? good example.
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
why are older data models are being replaced by new data models
List the steps for converting state diagram to the code. a) Finding major control path b) Finding the conditional statements c) Finding the loops d) Finding error ro
Explain the cartesian product in Database Management System
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
What do you mean through integrity constraints? Integrity Constraints -An integrity constraint is a condition specified on a database schema and restricts the data in which
Performance of Various Concurrency Control Mechanisms
how does Btree differ from a B+ - tree?
Give some encryption techniques? A) DES B) AES C) Public key encryption
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