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Rose Chantik is a cosmetic company that has many branches in Malaysia. The company must manage many product bookings by agents. An agent is attached to a branch and each branch must have a manager. Every agent may have a supervisor to monitor their progress in the company. The supervisor is also an agent. Agents may book multiple types of product through the system. However, an agent can only book not more than 100 quantities for each product on the same day. The relational schemes for booking system are as follows: (BRID, BRNAME, BRADDRESS, BRMANAGERNO) (AGID, AGNAME, AGPHONE, AGEMAIL, BRID, SUPERVISORID) (BOOKID, BOOKDATE, BOOKADDRESS, BOOKPRICE, AGID) (BOOKID, PRODID, QUANTITY) (PRODID, PRODNAME, PRODPRICE, PRODEXPIRY) BRANCH AGENT BOOKING BOOK PRODUCT PRODUCT Note: The primary keys are underlined. a) By using SQL, modify the BRANCH table columns with following criteria: b) Insert this following data into BRANCH table. Table 2.0: Branch Table Data BRANCH ADDRESS NO 30, JALAN ILMU 2, BANDAR JASIN BESTARI, 77000, JASIN, MELAKA BRANCH ID BRANCH NAME 2288 MANAGER NO 101 JASIN BESTARI c) Explain why do we need to COMMIT changes in (b).

Rose Chantik is a cosmetic company that has many branches in Malaysia. The company must manage many product bookings by agents. An agent is attached to a branch and each branch must have a manager. Every agent may have a supervisor to monitor their progress in the company. The supervisor is also an agent. Agents may book multiple types of product through the system. However, an agent can only book not more than 100 quantities for each product on the same day. The relational schemes for booking system are as follows: (BRID, BRNAME, BRADDRESS, BRMANAGERNO) (AGID, AGNAME, AGPHONE, AGEMAIL, BRID, SUPERVISORID) (BOOKID, BOOKDATE, BOOKADDRESS, BOOKPRICE, AGID) (BOOKID, PRODID, QUANTITY) (PRODID, PRODNAME, PRODPRICE, PRODEXPIRY) BRANCH AGENT BOOKING BOOK PRODUCT PRODUCT Note: The primary keys are underlined. a) By using SQL, modify the BRANCH table columns with following criteria: b) Insert this following data into BRANCH table. Table 2.0: Branch Table Data BRANCH ADDRESS NO 30, JALAN ILMU 2, BANDAR JASIN BESTARI, 77000, JASIN, MELAKA BRANCH ID BRANCH NAME 2288 MANAGER NO 101 JASIN BESTARI c) Explain why do we need to COMMIT changes in (b).

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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4. SQL Rose Chantik is a cosmetic company that has many branches in Malaysia. The company must manage many product bookings by agents. An agent is attached to a branch and each branch must have a manager. Every agent may have a supervisor to monitor their progress in the company. The supervisor is aiso an agent. Agents may book multiple types of product through the system. However, an agent can only book not more than 100 quantities for each product on the same day. The relational schemes for booking system are as follows: BRANCH AGENT BOOKING BOOK_PRODUCT PRODŪCT (BRID, BRNAME, BRADDRESS, BRMANAGERNO) (AGID, AGNAME, AGPHONE, AGEMAIL, BRID, SUPERVISORID) (BOOKID, BOOKDATE, BOOKADDRESS, BOOKPRICE, AGID) (BOOKID, PRODID, QUANTITY) (PRODID, PRODNAME, PRODPRICE, PRODEXPIRY) Note: The primary keys are underlined. a) By using SQL, modify the BRANCH table columns with following criteria: b) Insert this following data into BRANCH table. Table 2.0: Branch Table Data BRANCH ADDRESS NO 30, JALAN ILMU 2, BANDAR JASIN BESTARI, 77000, JASIN, MELAKA BRANCH ID BRANCH NAME 2288 JASIN BESTARI MANAGER NO 101 c) Explain why do we need to COMMIT changes in (b).
Transcribed Image Text:4. SQL Rose Chantik is a cosmetic company that has many branches in Malaysia. The company must manage many product bookings by agents. An agent is attached to a branch and each branch must have a manager. Every agent may have a supervisor to monitor their progress in the company. The supervisor is aiso an agent. Agents may book multiple types of product through the system. However, an agent can only book not more than 100 quantities for each product on the same day. The relational schemes for booking system are as follows: BRANCH AGENT BOOKING BOOK_PRODUCT PRODŪCT (BRID, BRNAME, BRADDRESS, BRMANAGERNO) (AGID, AGNAME, AGPHONE, AGEMAIL, BRID, SUPERVISORID) (BOOKID, BOOKDATE, BOOKADDRESS, BOOKPRICE, AGID) (BOOKID, PRODID, QUANTITY) (PRODID, PRODNAME, PRODPRICE, PRODEXPIRY) Note: The primary keys are underlined. a) By using SQL, modify the BRANCH table columns with following criteria: b) Insert this following data into BRANCH table. Table 2.0: Branch Table Data BRANCH ADDRESS NO 30, JALAN ILMU 2, BANDAR JASIN BESTARI, 77000, JASIN, MELAKA BRANCH ID BRANCH NAME 2288 JASIN BESTARI MANAGER NO 101 c) Explain why do we need to COMMIT changes in (b).
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