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Describe the Menu based interfaces for web clients or browsing?
Menu-Based Interfaces for Web Clients or Browsing - These interfaces present the user along with lists of options, known as menus, which lead the user by the formulation of a request. Pull-down menus are extremely popular techniques in Web-based user interfaces.They are also used within browsing interfaces that permit a user to look through the contents of a database within an exploratory and unstructured manner.
What is a view? How it is related to data independence? A view might be thought of as a virtual table, that is, a table that does not really exist in its own right but is inste
Law Associates is a large legal practice based in Sydney. You have been asked to design a data model for the practice based upon the following specification: The practice employs
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
DROP TABLE Command: When an existing object is not needed for further use, it is always better to eliminate it from the database. To remove the existing object from the databas
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
Eliminate Repeating Groups The problem is, "Find out the list of employees, who knows DB2". For this problem we require to perform an awkward scan of the list looking for re
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
Define the terms i) Entity type ii) Entity set Entity type: An entity type describes a collection of entities that have the similar attributes. Entity set: The set of all en
er diagram on cosmetics.
Create a Student database and Retrieve the names of all students majoring in ‘CS' Consider the following relational database: STUDENT (name, student#, class, major) COURSE (co
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