Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Q 1 the number of tables is ? Q 2 which of the folloeing sql statements is used to define a table in the exam

Q1 the number of tables is ?
Q2 which of the folloeing sql statements is used to define a table in the exam db database assume thst thr defined tables do not cause any referential integrity constraints violations enter a,b,c,d
A.create table owns(
Purchase date DATE);
B.CREATE TABLE Owns(
Id CHAT(5)
Purchasedate date
Primary key(id.vehichle id),
Foreign key(id) refrences compsny id),
Foreign key (vehicle id) refrences vehicles(vehiclr id));
C.create table oens (
id char(5)
Vehicle id char(5)
Purchase date date
Primary key (id,vehicle id));
Q4 which of thr following statements is teue abiut the constraints invthe er mapping processing?
A. All constraints in the er diagrsm csn be captured
B.the participation constraint between compant and owns cannot br capturef
c. The total soecialization constraint for vehicledcan not br captured
D.the disjoint cobstraint for thr vehiclees also can be capturef
image text in transcribed

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

Machine Learning And Knowledge Discovery In Databases European Conference Ecml Pkdd 2016 Riva Del Garda Italy September 19 23 2016 Proceedings Part 1 Lnai 9851

Authors: Paolo Frasconi ,Niels Landwehr ,Giuseppe Manco ,Jilles Vreeken

1st Edition

3319461273, 978-3319461274

More Books

Students also viewed these Databases questions

Question

Discuss communication challenges in a global environment.

Answered: 1 week ago