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Write a query to change the type of field Ac_Available in the buses table to varchar(5) BUSES

Write a query to change the type of field Ac_Available in the buses table to varchar(5) BUSES

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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Modify the datatype Write a query to change the type of field Ac_Available in the buses table to varchar(5) BUSES BUS NO BUS NAME varchar2(20) t TYPE SCHEDULE number(11) varchar2(3) date d varchar2(20) t DESTINATION varchar2(20)t number(11) number(11) # SCHEDULE ID TRAVEL DATE SOURCE varchar2(20) t TOTAL SEATS number(11) # AVAIL SEATS number(11) BUS NO BUS NO DURATION PAYMENTS DISCOUNTS PAYMENT ID varchar2(3) t TICKET ID BD ID O DISCOUNT ID varchar2(3) DISCOUNT ID DISCOUNT AMOUNT number(11) # TICKET ID BD ID varchar2(3) number(11) varchar2(3) TICKETS DISCOUNT ID TICKET ID varchar2(3) p SCHEDULE ID varchar2(3) FARE PUSER ID NO SEATS SCHEDULE ID number(11) # number(11), number(11) # USER ID USERS USER ID number(11) NAME varchar2(20) t ADDRESS varchar 2(100) t number(11) # EMAILID varchar2(30) t primary key- not null p foreign key PHNO # data type - number ddata type-date CANCELLATION It data type-varchar2 99
Transcribed Image Text:Modify the datatype Write a query to change the type of field Ac_Available in the buses table to varchar(5) BUSES BUS NO BUS NAME varchar2(20) t TYPE SCHEDULE number(11) varchar2(3) date d varchar2(20) t DESTINATION varchar2(20)t number(11) number(11) # SCHEDULE ID TRAVEL DATE SOURCE varchar2(20) t TOTAL SEATS number(11) # AVAIL SEATS number(11) BUS NO BUS NO DURATION PAYMENTS DISCOUNTS PAYMENT ID varchar2(3) t TICKET ID BD ID O DISCOUNT ID varchar2(3) DISCOUNT ID DISCOUNT AMOUNT number(11) # TICKET ID BD ID varchar2(3) number(11) varchar2(3) TICKETS DISCOUNT ID TICKET ID varchar2(3) p SCHEDULE ID varchar2(3) FARE PUSER ID NO SEATS SCHEDULE ID number(11) # number(11), number(11) # USER ID USERS USER ID number(11) NAME varchar2(20) t ADDRESS varchar 2(100) t number(11) # EMAILID varchar2(30) t primary key- not null p foreign key PHNO # data type - number ddata type-date CANCELLATION It data type-varchar2 99
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