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What are the requirements to ensure the objectives of file management principle is realized?
Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
random file orgnization
what is view?explain
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
The H. I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of graduates in 1965. The school keep
What is the role of a database administrator?
Consider a table student (std_id, std_name, date_of_birth, percent_marks, dept_name). Write a QBE query to display names of Computer Science department students who have scored mo
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