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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Transcribed Image Text:The database contains a Horse table, with columns:
ID integer, primary key
Registered Name
variable-length string.
The database contains a Student table, with columns:
• ID integer, primary key
First Name - variable-length string
LastName variable-length string
Write a SQL Query to create a Schedule table, with columns:
HorseID - integer with range 0 to 65535, not NULL
• Student ID integer with range 0 to 65535
Lesson DateTime - date/time, not NULL
(HorseID, Lesson DateTime) is the primary key
Also, create the following foreign key constraints on Schedule columns:
HorseID references Horse. When an ID is deleted from Horse
matching Lesson Schedule rows are deleted.
Student ID references Student. When an ID is deleted
from Student, matching Student ID 's are set to NULL).
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