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Question 1: a) What is the difference between a non-impact and impact printer? b) Which type of printer is generally used in a supermarket to print your receipt? Describe
how to data store?
Which model is record based logical model? Network Modelis basically known as record based logical model.
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
What do you mean by an execution plan? Why is it used? How will you view it? a.) An execution plan can be known as a road map which textually or graphically illustrates the dat
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
notes about update opreation
Explain entity integrity and referential integrity rules within relational model. Show how these are realized in SQL? Entity Integrity Rule - No primary key value could be nu
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
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