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What is meant by buffer blocks and disk buffer
The blocks residing temporarily in main memory are referred to as buffer blocks.
The area of memory where blocks reside temporarily is known as the disk buffer.
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
DML Precompiler All the DBMS have two basic sets of Languages - Data Definition Language (DDL) that have the set of commands needed to define the format of the data that is b
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
how to find entities
Draw an ER diagram for company''s database schema
Explain Candidate key? Candidate Key - A candidate key is a minimal superkey, that can be used to uniquely identify a tuple in the relation.
Define the basic operations of the relational algebra? Ans: Basic operators of relational algebra are: 1. Union (∪) - Selects tuples which are in either P or Q or in bot
what is union compatable?
Create Student DB and perform delete operation? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, co
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