Answered: You need to return all travel data from…

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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The InstantRide User Satisfaction team received a phone call from a user who might have left her wallet in the car. She indicated that the license plate of the car was starting with BB-883 but unfortunately, she could not remember the full license plate number. The team wants to get all travel information for the cars with the license plate starting with BB-883. You need to return all travel data from the TRAVELS table for the CAR_ID which has a plate number compared with SUBSTR and UPPER functions.

Transcribed Image Text:### Vehicle Database Information Below is a table representing a sample database of vehicles. It includes details such as the car ID, license plate numbers, car models, and the year of manufacture. This structured data is vital for understanding vehicle registration systems and can be used for educational purposes related to database management, logistics, and automotive studies. | **CAR_ID** | **CAR_PLATE** | **CAR_MODEL** | **CAR_YEAR** | |------------|---------------|-----------------|--------------| | 1001 | BB-542-AB | TOYOTA PRIUS | 2018 | | 1002 | BB-883-EE | TESLA MODEL 3 | 2019 | | 1003 | BB-451-ZN | TOYOTA AURIS | 2019 | | 1004 | BB-189-MM | MERCEDES E200 | 2019 | ### Explanation of Table Columns - **CAR_ID**: A unique identifier for each car, useful for tracking and management within a database system. - **CAR_PLATE**: The alphanumeric code displayed on the vehicle’s license plate, essential for legal identification and registration. - **CAR_MODEL**: Specifies the make and model of the vehicle, providing insight into brand variety and preferences. - **CAR_YEAR**: Indicates the production year of the automobile, which can be used for age classification, valuation, and regulatory compliance purposes. This data is integral for various analytical tasks, including market trend analysis, vehicle tracking, and system development in automotive industries.

The table below details travel records including information such as travel IDs, start and end times, locations, pricing, and associated discounts. This data can be beneficial for understanding travel patterns and pricing structures.

| TRAVEL_ID | TRAVEL_START_TIME | TRAVEL_END_TIME | TRAVEL_START_LOCATION | TRAVEL_END_LOCATION | TRAVEL_PRICE | DRIVER_ID | CAR_ID | USER_ID | TRAVEL_DISCOUNT |
|-----------|---------------------|---------------------|-----------------------|---------------------|--------------|-----------|--------|---------|-----------------|
| 5001 | 2019-10-01 04:04:55 | 2019-10-01 04:14:19 | 9614 York Road | 84 Church Lane | 15.44 | 2001 | 1003 | 3005 | NULL |
| 5002 | 2019-10-01 05:57:33 | 2019-10-01 06:12:33 | 47 Church Street | 68 High Street | 20.56 | 2001 | 1003 | 3006 | NULL |
| 5003 | 2019-10-01 13:35:20 | 2019-10-01 13:45:10 | 2 Windsor Road | 95 West Street | 12.32 | 2002 | 1001 | 3002 | NULL |
| 5004 | 2019-10-02 08:44:28 | 2019-10-02 09:15:28 | 9060 Mill Lane | 27 Main Road | 30.49 | 2003 | 1002 | 3001 | 0.13 |
| 5005 | 2019-10-02 16:38:54 | 2019-10-02 16:48:10 | 2 Queensway | 24 Mill Lane | 11.15 | 2001 | 1003 | 3007 | NULL |
| 5006 | 2019-10-03 19:12:14 | 2019-10-03 19:23:45 |

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