1. ‘ORDER BY’
Order by clause allows sorting of query results by one or more columns.
Sorting can be done in ascending or descending.
Default order is ascending.
Syntax
Select <attribute list separated with comma> from <table name> where <condition> order by <attribute> <asc/desc>

2. WAQ to display the details of employees in the ascending order of name
‘ORDER BY’ ID
NAME
place 1
ARUN
Dubai 2
VARUN
Sharjah 3
ALI 4
GEORGE
Ajman 5
MOHD
Al ain
WAQ to display the details of employees in the ascending order of name
output
Select * from employee
order by name ; ID
NAME
place 3
ALI
Dubai 1
ARUN 4
GEORGE
Ajman 5
MOHD
Al ain 2
VARUN
Sharjah

3. Select * from student where name like ‘A%’ order by mark desc ;ID
NAME
Mark 1
ARUN 45 2
VARUN 67 3
ALI 75 4
GEORGE 70 5
MOHD 90
WAQ to display the details of students whose name starting with ‘A’ in the descending order of mark.
output ID
NAME
Mark 3
ALI 75 1
ARUN 45
Select * from student where name like ‘A%’
order by mark desc ;

4. Select * from student order by mark desc, name asc ;ID
NAME
Mark 1
ARUN 45 2
VARUN 55 3
ALI 4
GEORGE 70 5
MOHD 90
WAQ to display the details of students in the the descending order of mark and then ascending order of name
output ID
NAME
Mark 5
MOHD 90 4
GEORGE 70 3
ALI 55 2
VARUN 1
ARUN 45
Select * from student order by mark desc, name asc ;

5. or Arithmetic Operations
WAQ to display the sum of the numbers 5 and 4.
Select 5+4 from dual; or
Select 5+4;
Dual is a small worktable with one row and one column.

6. WAQ to display id,name,total marks of students
arithmetic operations
WAQ to display id,name,total marks of students
student
output ID
NAME
Mark
mark2 1
ARUN 45 50 2
VARUN 55 3
ALI 85 80 4
GEORGE 70 ID
NAME
Mark1+Mark2 1
ARUN 95 2
VARUN
105 3
ALI
165 4
GEORGE
Select id,name,mark1+mark2 from student;

7. Alias name is another name given to an attribute

8. WAQ to display id,name,total marks of students
SQL – arithmetic operations & Alias name
WAQ to display id,name,total marks of students
output
student ID
NAME
Mark
Mark2 1
ARUN 45 50 2
VARUN 55 3
ALI 85 80 4
GEORGE 70 ID
NAME
total 1
ARUN 95 2
VARUN
105 3
ALI
165 4
GEORGE
Select id,name,mark1+mark2 as “total” from student;