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a ) instructor b ) select c ) view... at d ) all of them a ) create table b ) medify table g relaction,
a instructor
b select
c view... at
d all of them
a create table
b medify table
g relaction, one can use:
e none of them
Which of the following is not an inceatity calter table
a not null
b positive
d drop table
e none of them
The quety below must use to delete entries in the referenced table when a course is deleted. create table course foreign key deptname references department
a delete
b delete cascade
c set null
d all of them
e none of them
Tables in second normal form NF
a eliminate all hidden dependencies
b eliminate the possibility of insertion anomalies
c have a composite key
d eliminate multiple tuples
e do not allow foreign keys
Consider the following query and pick the correct answer below:
select customername, salesquota from customer
where customer.salesmanid in select
salesman.id where name 'SMITH';
a it will select the name and city of the customers of the salesmen "SMITH"
b it will select the name of the customers and the quota of the salesmen "SMITH"
c it will select both name and city of customers and the quota of the salesmen "SMITH"
d it will produce an error
e none of the above
The clause is used to combine the output from multiple queries into a single result table.
a intersect
b divide
c collate
d using
e union
Embedded SQL consists of:
a SQL statements included in another language.
b SQL encapsulated inside of other SQL statements.
c SQL written into a frontend application.
d SQL translated to a lowerlevel language.
e none of them
The following query returns the name and surname of employees
select name, surname from employee
where salary select avgsalary from employee where empid between and ;
a whose salaries are between and
b whose salaries are greater than
c whose salaries are less than
d whose average "empids are between and
e whose salaries are more than average of employees' with "empids between and
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