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Đề trắc nghiệm lập trình C
Chapter 10 Exercises 1. alter table service add constraint Default_Servicename default 'First Aid' for service_name 2. create rule check_servicecode as @scode in ('CC', 'N', 'WC') go sp_bindrule 'check_servicecode', 'airline_service.service_code' 3. alter table airlines_master add constraint PK_aircode primary key (aircode) insert into airlines_master values (NULL, 'Cathay Pacific') 4. alter table Flight_days add constraint chk_daycode check (day_code between 1 and 7) 5. alter table airline_meal add constraint FK_aircode foreign key (aircode) references airlines_master (aircode) 6. create clustered index citycode_ndx on city_master (city_code) 7. create index pnrno_tktno_ndx on passenger (pnr_no, ticket_no) with pad_index, fillfactor=75 OR create nonclustered index pnrno_tktno_ndx on passenger (pnr_no, ticket_no) with pad_index, fillfactor=75 8. sp_helpindex airlines_master Chapter 11 Check Your Progress 1. The first statement creates a temporary table that occupies storage space. The second statement creates a view that does not occupy any storage space. 2. False 5. c, d 3. c 6. True 4. c, d 7. linked servers Chapter 12 Exercises 1. create view pass_view as select r.pnr_no, aircraft_code, ticket_no, name, status from reservation r inner join passenger p on r.pnr_no=p.pnr_no where r.pnr_no < 4 with check option 2. select * from pass_view 3. update pass_view set name = 'Pam Houston' where ticket_no=3 select name from passenger where ticket_no=3 4. create view weekend_flights as select * from flight_days where day_code=1 or day_code=7 5. delete weekend_flights where aircraft_code='AI03' and day_code=7 select * from flight_days where aircraft_code='AI03' and day_code=7 6. alter view pass_view with schemabinding as select r.pnr_no, aircraft_code, ticket_no, name, status from dbo.reservation r inner join dbo.passenger p on r.pnr_no=p.pnr_no where r.pnr_no < 4 with check option 7. create unique clustered index name_ndx on pass_view (name) sp_spaceused pass_view go sp_spaceused weekend_flights 8. create table CC_table ( aircode char(2), service_code varchar(3) check (service_code='CC') constraint pk_cc primary key (aircode, service_code)) insert into CC_table select * from airline_service where service_code='CC' create table WC_table ( aircode char(2), service_code varchar(3) check (service_code='WC') constraint pk_wc primary key (aircode, service_code)) insert into WC_table select * from airline_service where service_code='WC' create table N_table ( aircode char(2), service_code varchar(3) check (service_code='N') constraint pk_n primary key (aircode, service_code)) insert into N_table select * from airline_service where service_code='N' 9. create view all_services as select * from cc_table union all select * from wc_table union all select * from n_table 10. insert into all_services values ('CP', 'CC') select * from cc_table where aircode=‘CP’ and service_code=‘CC’ . table CC_table ( aircode char(2), service_code varchar(3) check (service_code='CC') constraint pk_cc primary key (aircode, service_code)). into CC_table select * from airline_service where service_code='CC' create table WC_table ( aircode char(2), service_code varchar(3) check