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What is meant by buffer blocks and disk buffer The blocks residing temporarily in main memory are referred to as buffer blocks. The area of memory where blocks reside t
Illustrate how you can use QBE to perform logical AND and OR operation
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DM
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
Benefits of Sequential File Organisation It is quick and efficient when dealing with huge volumes of data that require being processed periodically (batch system). Dra
Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, sem
Question: (a) Why is it important to know the architecture rather than to start requirement capture when designing a large scale system? (b) Who are the different people in
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