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How does the two phase protocol ensure serializability in database schedules? Ans: A transaction is termed to follow the two-phase locking protocol if all locking operations
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Explain the dependency relationship of object oriented A dependency is a relationship which states that a change in specification of one thing can affect another thing, but n
For Colorado customers calculate the number of single products ordered. If a product is purchased on multiple orders, it should be counted only single time. The result should conta
Lack of Redundancy We have talked about the problems of repetition of information in a database. Such repetition should be stay away as much as possible. Let us state once again t
discuss the purpose of the concurrency control?
What is an ERD?
what is Storage-Device Hierarchy question
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
write a short note on participation role? Participation role: roles are indicating in E-R diagram by labelling the lines that connect diamonds to rectangles.
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