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Create a Student database and Retrieve the names of all students majoring in ‘CS'
Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, semester, year, instructor) GRADE_REPORT (student#, section identifier, grade) PREREQUISITE (course#, presequisite#) Specify the following queries in SQL on the above database schema.
(i) Retrieve the names of all students majoring in ‘CS' (Computer Science).
Query
SELECT NAME FROM STUDENT WHERE MAJOR = ‘CS' // Execute Select query to retrive database
The primary key is selected from the
Describe Physical Data independence ? Physical Data Independence - It is capacity to modify the internal schema without having to change conceptual schema. Therefore, the exter
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
he SQL query that will return the order number, quantity ordered, price each and total cost of an order (quantity * price each) from the order details table. Label the calculated c
Process of implementing system design in dynamic models There are three essential approaches to implementing system design in dynamic models. These approaches are as below:
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
What is candidate key? Candidate Key - A candidate key of an entity set is a minimal superkey, which uniquely identifies each row in the relation.
er diagtram for icici
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