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What is Outer join?
They can be employed while we want to keep all the tuples in R, or all those in S or all those in both relations in the result of the JOIN in spite of of whether or not they have matching tuples in the other relation.
What is called block-level striping? Block level striping stripes blocks across many disks. It treats the array of disks as a large disk, and provides blocks logical numbers
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
Hi, Do you offer private tuition for DBMS?
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
Illustrate the view of software architecture A model is a semantically closed abstraction of system composes of elements. It can be visualized using any of the following five v
What is a query tree? Ans: A query tree, as well known as operator graph, is a tree data structure that corresponds to a relational algebra expression. It denotes the inpu
Assume you are given a uniprocessor system with one gigabyte of memory and a 300 gigabyte disk. The OS on the machine has a demand paged virtual memory system with a local page rep
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
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