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Describe Specialsation and generalization?
Specialisation /generalization: This is a top down and bottom up approach to the design of database. It displays the IS_A relationship among a super class (parent) and related sub-classes. It is represented through inverted triangle in the Chen notation.
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
how to operate database in access ?
How to design a formal and exact model How to design a formal and exact model of real-world problems by applying findings of analysis phase of OMT. The object design phase find
Ask qu. Write a XML with database with book details (Book ID, Title, Author, subject, published year, language, vendor, and price).estion #Minimum 100 words accepted#
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
Explain the Role of a database administrator a. Defining the Schema The DBA describes the schema which consists of the structure of the data in the application. The DBA
Improved Reliability: In a centralised DBMS, a server failure stops the operations of the DBMS. Though, a failure at single site of a DDBMS, or a failure of a communication link cr
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
What is the use of group by clause? Group by clause is used to be relevant aggregate functions to a set of tuples. The attributes given in the group by clause are used to shape
explain ER Modeling?
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