Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Put a table which may occur in the Relational DB version of your Entity-Relationship Diagram. What is an example of a key-constraint in this instance?

Put a table which may occur in the Relational DB version of your Entity-Relationship Diagram. What is an example of a key-constraint in this instance?

image text in transcribed

Example: example_col_4 example_col_1 entry_1 example_col_2 entry_2 example_col_3 entry_3 entry_4 Key-constraint: for a given student and course, there is only one grade

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Practical Oracle8I Building Efficient Databases

Authors: Jonathan Lewis

1st Edition

0201715848, 978-0201715842

More Books

Students also viewed these Databases questions