Consider the database below for the famous insurance company Mostlyreliable.com. Each line shows a table with its properties, TableName (column1, column2, ...), and the primary keys and foreign keys are underlined. For example, 'policy id' is the PRIMARY KEY of Policies and 'customer id' is a FOREIGN KEY. Customers (customer id, name, address) Policies (policy id, policy type, customer id, expiry date) Claims (claim id, policy id, amount, type, status) for each answer in this question you must include a short but complete explanation of how your SQL command works. In a controversial new company policy, Mostlyreliable.com no longer covers claims of type "accidental loss". Write an SQL command which updates ll claims whose status is not "resolved" or "rejected" to have status of "rejected". tatutory regulations require that Mostlyreliable.com must inform any customers who have been affected by its recent drastic policy change. Using an appropriate SQL JOIN statement, display the claim ids, policy ids For all claims of type "accidental loss" together with the associated customer ids. (c) The customer 'Jamilla Jessop' is being audited by Mostlyreliable.com for suspicious claim activity. Write an SQL statement to find the number of rejected claims for Ms Jessop.
Consider the database below for the famous insurance company Mostlyreliable.com. Each line shows a table with its properties, TableName (column1, column2, ...), and the primary keys and foreign keys are underlined. For example, 'policy id' is the PRIMARY KEY of Policies and 'customer id' is a FOREIGN KEY. Customers (customer id, name, address) Policies (policy id, policy type, customer id, expiry date) Claims (claim id, policy id, amount, type, status) for each answer in this question you must include a short but complete explanation of how your SQL command works. In a controversial new company policy, Mostlyreliable.com no longer covers claims of type "accidental loss". Write an SQL command which updates ll claims whose status is not "resolved" or "rejected" to have status of "rejected". tatutory regulations require that Mostlyreliable.com must inform any customers who have been affected by its recent drastic policy change. Using an appropriate SQL JOIN statement, display the claim ids, policy ids For all claims of type "accidental loss" together with the associated customer ids. (c) The customer 'Jamilla Jessop' is being audited by Mostlyreliable.com for suspicious claim activity. Write an SQL statement to find the number of rejected claims for Ms Jessop.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Consider the database below for the famous insurance company Mostlyreliable.com. Each line shows a table with its properties,
TableName (column1, column2, ...), and the primary keys and foreign keys are underlined. For example, 'policy id' is the PRIMARY KEY of Policies
and customer id' is a FOREIGN KEY.
Customers (customer id, name, address)
Policies (policy id, policy type, customer id, expiry date) Claims (claim id, policy id, amount, type, status)
For each answer in this question you must include a short but complete explanation of how your SQL command works.
In a controversial new company policy, Mostlyreliable.com no longer covers claims of type "accidental loss". Write an SQL command which updates
all claims whose status is not "resolved" or "rejected" to have status of "rejected".
Statutory regulations require that Mostlyreliable.com must inform any customers who have been affected by its recent drastic policy change.
Using an appropriate SQL JOIN statement, display the claim ids, policy ids
for all claims of type "accidental loss" together with the associated customer ids.
(c) The customer 'Jamilla Jessop' is being audited by Mostlyreliable.com for suspicious claim activity. Write an SQL statement to find the number
of rejected claims for Ms Jessop.
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