Task 7: The maintenance team wants to send SMS reminders in relation to upcoming service operations. Therefore, they request the SERVICE_ID 1 day prior to the planned service dates of the service requests as the REMINDER column. However, they only require this information for those service requests where the NEXT_SERVICE_DATE is set

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
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Task 7:

The maintenance team wants to send SMS reminders in relation to upcoming service operations. Therefore, they request the SERVICE_ID 1 day prior to the planned service dates of the service requests as the REMINDER column. However, they only require this information for those service requests where the NEXT_SERVICE_DATE is set.

Task
Retrieve the SERVICE_ID 1 day prior to the planned service dates of the service requests as the REMINDER column. Only provide this information for those service requests where the NEXT_SERVICE_DATE is set.
The SERVICE_REQUEST table contains information on service requests for each property. The
SERVICE_REQUEST table stores the service ID, property ID, service category number, the
managing office ID, request description, the request's status, estimated hours, hours spent, and
the service date.
SERVICE_ID PROPERTY_ID CATEGORY_NUMBER
OFFICE ID
DESCRIPTION
STATUS
EST HOURS SPENT HOURS NEXT_SERVICE_DATE
Problem has been confirmed.
The second bedroom upstairs is not
1
11
2019-11-01
central heating engineer has been
scheduled.
2
1
heating up at night.
2
4
1
A new strip light is needed for the kitchen.
Scheduled
2019-10-02
The bathroom door does not close
Service rep has confirmed issue.
3
6
5
1
3
1
2019-11-09
properly.
Scheduled to be refitted.
New outlet has been requested for the
first upstairs bedroom. (There is currently
no outlet).
4
4.
1
Scheduled
2019-10-02
New paint job requested for the common
area (lounge).
2
Open
10
NULL
Problem confirmed. Plumber has
6
Shower is dripping when not in use.
4
2
2019-10-07
been scheduled.
SERVICE_REQUEST table
Transcribed Image Text:The SERVICE_REQUEST table contains information on service requests for each property. The SERVICE_REQUEST table stores the service ID, property ID, service category number, the managing office ID, request description, the request's status, estimated hours, hours spent, and the service date. SERVICE_ID PROPERTY_ID CATEGORY_NUMBER OFFICE ID DESCRIPTION STATUS EST HOURS SPENT HOURS NEXT_SERVICE_DATE Problem has been confirmed. The second bedroom upstairs is not 1 11 2019-11-01 central heating engineer has been scheduled. 2 1 heating up at night. 2 4 1 A new strip light is needed for the kitchen. Scheduled 2019-10-02 The bathroom door does not close Service rep has confirmed issue. 3 6 5 1 3 1 2019-11-09 properly. Scheduled to be refitted. New outlet has been requested for the first upstairs bedroom. (There is currently no outlet). 4 4. 1 Scheduled 2019-10-02 New paint job requested for the common area (lounge). 2 Open 10 NULL Problem confirmed. Plumber has 6 Shower is dripping when not in use. 4 2 2019-10-07 been scheduled. SERVICE_REQUEST table
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