Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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$marks = array(
"Sara" => array(
"Programming" => 95,
"DataBase" => 85,
"Web" => 74,
),
"Diana" => array(
"Programming" => 78,
"DataBase" => 98,
"Web" => 66,
),
"Amy" => array(
"Programming" => 88,
"DataBase" => 76,
"Web" => 99,
),
);


1 : sort the array by the name of student from A-Z;

2 : search if Ram is exist :
if exiset print the value; else : student does not exist

 

3 : calculate the avg of each student and print it as :
the avg for Sara is : 84.66

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