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Explain the term High level DML?
High level DML A high-level or non-procedural DML permit the user to specify what data is needed without specifying how it is to be acquired. Several DBMSs permit high-level DML statements either to be entered interactively from a terminal or to be embedded in a general-purpose programming language.
Question: (a) One of the steps in the five-step problem-solving model is implementation. Implementation is considered a key step in the problem-solving model. A problem may be
data models are being replaced over years. Reasons and why does that happen?
Design an EER schema for the following application and translate the EER schema into relational schemas (and constraints). It is possible that some requirements cannot be captured
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
what is bogus empowerment. And what is genuine empowerment
imagery
Define the Two Phase Locking Protocol This is a protocol that is used to make sure serializability of transactions. This protocol needs that every transaction issue lock and u
The following relational database schema represents part of a simplified database used by a library: tblBook (BookID, Title, PublisherID, Category,Price) tblPublisher (Publishe
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
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.
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