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What is recovery management component?
Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
Define instance and schema? Instance: Collection of data stored in the data base at a certain moment is Schema: The overall design of the data base is known as the data base
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.
Question: The following relational database schema corresponds to a part of a database used by the Registry Department of a university. DEPARTMENT (d#, d-name, head-of-dept)
Define the concept of aggregation. Give two examples where this concept is useful. Ans: Aggregation transforms a relationship among the objects into a higher-level object. A
1. Explain different addressing modes of 8086 Explanation of all addressing modes 2. Write a sequence of instructions to exchange two register contents using stack
List and explain the memory constructs of the Oracle 12c databases?
what is attribute is attribute inheritance in dbms?
What are the several forms of identity? a) Value b) Name c) Built-in
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