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Using Literal Character String
Example:
To print IS A as one string with column name employee
SELECT ENAME || ' IS A ' || JOB AS "EMPLOYEE" FROM EMP;
The following variant of the primary copy asynchronous-update replication protocol has been proposed for totally replicated systems. (a) A transaction executing at site A updat
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
What are the different strategies of implementation of the Statecharts? There are two strategies for implementation of state charts: i) Basic Implementation Strategy
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
Question: (a) What are decision support systems, and what role do they play in the business environment? (b) Data mining is a knowledge discovery process of automated extr
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
what is the relationship between receipt and owner entities in computer sales and service company
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