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What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Distributed Database Management System
why data in an RDMS need to be normalised
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
Project Description: I need a point of sale for motels. It needs to run on windows and requires being network able so that we can have more than one computer using it at once.
Explain the θ-join and equijoin Refer tables Car and Boat which list models of cars and boats and their relevant prices. Assume a customer wants to buy a car and a boat, but sh
Define tuple variable? Tuple variables are used for comparing two tuples in the same relation. The tuple variables are explained in the from clause by way of the as clause.
Retrieve the S&S In-Chapter Database (in Microsoft Access format) from the text's Web site (or create the tables in Table 4-5 in a relational DBMS product). Write queries to answer
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