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→ û Given the following schema ROOM muNo nnPrice mBeds nnCapacity | mFacilities mElec 10 80 wC 20 95 Shower 25 100 Bathtub TV CUSTOMER RESERVATION cusAddress ||cusNo rmNo| datein cusNo cusName 1000 Ahmed Aamer 1001 Sami Mohamed dateOut 09/02/2020 15/02/2020 20/04/2021 12/12/2020 18/12/2020 1000 | 20 Salalah Ibri 1001 | 25 1004 10 1004 Faisal Fares Suhar 1. Write SQL commands to create the above tables Include necessary constraints. 2. Write relational algebra expression to display names of customers who reserved a rooms with capacity less than 3 people. 3. Write SQL command to find the name of the customers who stayed in rooms that do not have a Bathtub. 4. Write SQL command to display the names of customers who did not fix the date of departure from the hotel. 5. Write SQL command to modify the attribute mPrice in the table ROOM to real number with 3 decimal places. 6. Create a VIEW which can display the rooms which are roomprice lessthan 100. Browse My Computer Attach File Click Save and Submit to save and submit. Click Save All Answers to save all answers. a ENG 4) O

→ û Given the following schema ROOM muNo nnPrice mBeds nnCapacity | mFacilities mElec 10 80 wC 20 95 Shower 25 100 Bathtub TV CUSTOMER RESERVATION cusAddress ||cusNo rmNo| datein cusNo cusName 1000 Ahmed Aamer 1001 Sami Mohamed dateOut 09/02/2020 15/02/2020 20/04/2021 12/12/2020 18/12/2020 1000 | 20 Salalah Ibri 1001 | 25 1004 10 1004 Faisal Fares Suhar 1. Write SQL commands to create the above tables Include necessary constraints. 2. Write relational algebra expression to display names of customers who reserved a rooms with capacity less than 3 people. 3. Write SQL command to find the name of the customers who stayed in rooms that do not have a Bathtub. 4. Write SQL command to display the names of customers who did not fix the date of departure from the hotel. 5. Write SQL command to modify the attribute mPrice in the table ROOM to real number with 3 decimal places. 6. Create a VIEW which can display the rooms which are roomprice lessthan 100. Browse My Computer Attach File Click Save and Submit to save and submit. Click Save All Answers to save all answers. a ENG 4) O

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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→ û Given the following schema ROOM muNo nnPrice mBeds nnCapacity | mFacilities mElec 10 80 wC 20 95 Shower 25 100 Bathtub TV CUSTOMER RESERVATION cusAddress ||cusNo rmNo| datein cusNo cusName 1000 Ahmed Aamer 1001 Sami Mohamed dateOut 09/02/2020 15/02/2020 20/04/2021 12/12/2020 18/12/2020 1000 | 20 Salalah Ibri 1001 | 25 1004 10 1004 Faisal Fares Suhar 1. Write SQL commands to create the above tables Include necessary constraints. 2. Write relational algebra expression to display names of customers who reserved a rooms with capacity less than 3 people. 3. Write SQL command to find the name of the customers who stayed in rooms that do not have a Bathtub. 4. Write SQL command to display the names of customers who did not fix the date of departure from the hotel. 5. Write SQL command to modify the attribute mPrice in the table ROOM to real number with 3 decimal places. 6. Create a VIEW which can display the rooms which are roomprice lessthan 100. Browse My Computer Attach File Click Save and Submit to save and submit. Click Save All Answers to save all answers. a ENG 4) O
Transcribed Image Text:→ û Given the following schema ROOM muNo nnPrice mBeds nnCapacity | mFacilities mElec 10 80 wC 20 95 Shower 25 100 Bathtub TV CUSTOMER RESERVATION cusAddress ||cusNo rmNo| datein cusNo cusName 1000 Ahmed Aamer 1001 Sami Mohamed dateOut 09/02/2020 15/02/2020 20/04/2021 12/12/2020 18/12/2020 1000 | 20 Salalah Ibri 1001 | 25 1004 10 1004 Faisal Fares Suhar 1. Write SQL commands to create the above tables Include necessary constraints. 2. Write relational algebra expression to display names of customers who reserved a rooms with capacity less than 3 people. 3. Write SQL command to find the name of the customers who stayed in rooms that do not have a Bathtub. 4. Write SQL command to display the names of customers who did not fix the date of departure from the hotel. 5. Write SQL command to modify the attribute mPrice in the table ROOM to real number with 3 decimal places. 6. Create a VIEW which can display the rooms which are roomprice lessthan 100. Browse My Computer Attach File Click Save and Submit to save and submit. Click Save All Answers to save all answers. a ENG 4) O
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