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What is a primary index?
A primary index is an index whose search key also explains the sequential order of the file.
The database files accept the actual data and are typically the biggest in size. Depending on their shape, the tables for all the user operation can go in one database file-but
Design a database for an airline.The database must keep track of customers and their reservations,flights and their status, seat assignment on individual flights and, the schedule
Benefits and Limitations od Data Models?
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
Single Valued Normalisation Codd in the year 1972 formed three normal forms (1NF, 2NF, and 3NF). These were based on functional dependencies between the attributes of a relati
Explain concept of inheritance with support of suitable example. Inheritance Inheritance is one of milestone of object-oriented programming language as it allows a creati
What are the drawbacks of File Oriented System in details?
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
is Chipo carrying his baby
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
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