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Explain the disadvantages of file oriented approach?
In the oriented approach Applications are designed in isolation. Design of application is optimized for one application. Independently established applications lead to data redundancy. Wasted storage space because of redundancy.
a. There is loss of data integrity since integrity checking is not automated.b. Difficulty in accessing data.c. Information is available only in reports.d. Data Isolation.e. Inadequate securityf. Limited Flexibilityg. High Maintenance cost.h. Each data file of an application is a separate entity.
he SQL query that will return the order number, quantity ordered, price each and total cost of an order (quantity * price each) from the order details table. Label the calculated c
#question.what is mapping constraints and types?.
Consider an information system designed for an online company which provides IT products and services These include desktops, laptops, networking products, IT books, parts, and
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What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low
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