Table
1 : STUDIES
PNAME (VARCHAR),
SPLACE (VARCHAR), COURSE
(VARCHAR), CCOST (NUMBER)
Table 2 : SOFTWARE
PNAME (VARCHAR),
TITLE (VARCHAR), DEVIN (VARCHAR), SCOST (NUMBER), DCOST (NUMBER), SOLD (NUMBER)
Table 3 : PROGRAMMER
PNAME (VARCHAR),
DOB (DATE), DOJ (DATE), SEX (CHAR), PROF1 (VARCHAR), PROF2 (VARCHAR), SAL
(NUMBER)
LEGEND :
PNAME –
Programmer Name, SPLACE – Study
Place
QUERIES :
- Find out the selling cost average for packages developed in
Oracle.
- Display the names, ages and experience of all programmers.
- Display the names of those who have done the PGDCA course.
- What is the highest number of copies sold by a package?
- Display the names and date of birth of all programmers born in
April.
- Display the lowest course fee.
- How many programmers have done the DCA course.
- How much revenue has been earned through the sale of packages
developed in C.
- Display the details of software developed by Rakesh.
- How many programmers studied at Pentafour.
- Display the details of packages whose sales crossed the 5000
mark.
- Find out the number of copies which should be sold in order to
recover the development cost of each package.
- Display the details of packages for which the development cost
has been recovered.
- What is the price of costliest software developed in VB?
- How many packages were developed in Oracle ?
- How many programmers studied at PRAGATHI?
- How many programmers paid 10000 to 15000 for the course?
- What is the average course fee?
- Display the details of programmers knowing C.
- How many programmers know either C or Pascal?
- How many programmers don’t know C and C++?
- How old is the oldest male programmer?
- What is the average age of female programmers?
- Calculate the experience in years for each programmer and
display along with their names in descending order.
- Who are the programmers who celebrate their birthdays during
the current month?
- How many female programmers are there?
- What are the languages known by the male programmers?
- What is the average salary?
- How many people draw 5000 to 7500?
- Display the details of those who don’t know C, C++ or Pascal.
- Display the costliest package developed by each programmer.
- Produce the following output for all the male programmers
Programmer
Mr. Arvind – has 15 years of experience
II . SCHEMA :
Table 1 : DEPT
DEPTNO (NOT NULL , NUMBER(2)), DNAME (VARCHAR2(14)),
LOC (VARCHAR2(13)
Table 2 : EMP
EMPNO (NOT NULL
, NUMBER(4)), ENAME (VARCHAR2(10)),
JOB (VARCHAR2(9)), MGR (NUMBER(4)),
HIREDATE (DATE),
SAL (NUMBER(7,2)), COMM (NUMBER(7,2)),
DEPTNO (NUMBER(2))
MGR is the empno
of the employee whom the employee reports to. DEPTNO is a foreign key.
QUERIES
1. List all the employees who
have at least one person reporting to them.
2. List the employee details
if and only if more than 10 employees are present in department no 10.
3. List the name of the
employees with their immediate higher authority.
4. List all the employees who
do not manage any one.
5. List the employee details
whose salary is greater than the lowest salary of an employee belonging to
deptno 20.
6. List the details of the
employee earning more than the highest paid manager.
7. List the highest salary
paid for each job.
8. Find the most recently
hired employee in each department.
9. In which year did most
people join the company? Display the year and the number of employees.
10. Which department has the
highest annual remuneration bill?
11. Write a query to display a
‘*’ against the row of the most recently hired employee.
12. Write a correlated
sub-query to list out the employees who earn more than the average salary of
their department.
13. Find the nth maximum
salary.
14. Select the duplicate
records (Records, which are inserted, that already exist) in the EMP table.
15. Write a query to list the
length of service of the employees (of the form n years and m months).
