Question 1 explain er modelquestion 2 what are the, Ask an Expert

Programming

Question 1 Explain ER model

Question 2 What are the characteristics of a computer provided information?

Question 3 What are facts and guidelines to be considered when selecting a character set?

Question 4 Explain

altering tables
Dropping table

Question 5 Write an SQL query to create the student table with the necessary columns and check whether that column allows null values.

Question 6 Create a student table with the following attributes Student name, student roll no, 5 different subjects. Write SQL query for the following conditions

Add column to display the total marks of a particular student
Add column display the Grade of the student >60 First > 40 & < 60 Second < 40 Fail
Group all the students who got Fail grade

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DBMS, Programming

Category:- DBMS
Reference No.:- M9588058

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