Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Country ISOCode 3 ISOCode 2 PopDensity Population ESP ES 2 4 2 . 6 4 6 8 0 0 0 0 0 QAT QA 6

Country
ISOCode3 ISOCode2 PopDensity Population
ESP ES 242.646800000
QAT QA 620.52780000
GHA GH 338.829770000
Statistics
TLD Code3 Capital Area
.es ESP Madrid 192900
.qa QAT Doha 4500
.gh GHA Accra 87900
An arrow points from the Statistics table's Code3 column to the Country table's primary key column.CREATE TABLE Statistics (
Code3 CHAR(3),
TLD CHAR(3),
Capital VARCHAR(15),
Area DECIMAL(9,2),
PRIMARY KEY (TLD),
FOREIGN KEY (Code3)
REFERENCES Country(ISOCode3)
ON DELETE CASCADE
ON UPDATE RESTRICT
);The CREATE TABLE statement above creates the Statistics table. What is the result of each operation?Deleting the row containing QA from the Country table.
Select
Updating the ISOCode3 of QA from QAT to XYZ.
Select
Deleting the foreign key QAT from the Statistics table.

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

Step: 3

blur-text-image

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

Put Your Data To Work 52 Tips And Techniques For Effectively Managing Your Database

Authors: Wes Trochlil

1st Edition

0880343079, 978-0880343077

Students also viewed these Databases questions