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The Logical DBMS Architecture
Database Management Systems are very difficult, sophisticated software applications that give reliable management of huge amounts of data. To explain general database concepts and the structure and capabilities of a DBMS better, the structural design of a typical database management system should be studied.
There are two dissimilar ways to look at the architecture of a DBMS: the physical DBMS architecture and the logical DBMS architecture. The physical architecture is deals with the software components that create up a DBMS while the logical architecture deals with the way data is stored and presented to users.
What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide
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WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
Create Student DB and perform delete operation? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, co
DISADVANTAGES OF RDBMS
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
Attributes and its types explain?
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Define Hash files organization a. Hashing includes computing the address of a data item by calculating a function on the search key value. b. A hash function h is a functi
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