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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
explain concept of decomposition?
Define the Traditional System Analysis and Design Traditional System Analysis and Design (SAD) have three basic life cycle models. A typical software lifecycle consists of the
1. Which relational algebra operations do not need the participating tables to be union-compatible? Ans: Join is the relational algebra operations that do not need the particip
task upload
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
System Design: An Object Oriented Approach Any software systems always try to change and evolve as technology and business rules evolve. The development of information systems
Question : Object-Oriented Database (OODM) is defined as a logical data model that captures the semantics of objects supported in object-oriented programming. An Object-Oriente
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