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A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
What benefits can a company gain by managing its own information infrastructure and servicea
external and internal mapping with examples
how to design tables
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
PRINCIPLES OF DATABASE 1. State the following terms: a) Database b) Database Management System c) Entity d) Attribute e) Relationship 2. Discuss the Three Level Architecture
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
List any two significant differences between a file processing system and a DBMS. File Processing System vs. DBMS Data Independence - Data independence is the capacity t
Define Database layer? The database layer defines the data formats used in the database.
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