How would you retrieve Unique rows from table without using UNIQUE and DISTINCT keyword?
Answer Posted / jayanth
using union
select * from tableA
union
select * from tableB
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Does order by actually change the order of the data in the tables or does it just change the output?
How do you implement session management in SQL Server mode?
What do you understand by coalesce in sql server?
Can we use where clause in union?
What is best institute to Learn DotNET And SQL in chennai?
Do you know what guidelines should be followed to help minimize deadlocks?
How each E-R model constructs can be mapped to the relational model?
Will sql server 2005 allow you to reduce the size of a column?
Can a database be shrunk to 0 bytes, if not, why?
Explain system functions or built-in functions? What are different types of system functions?
What is check constraint in sql server?
What is an identity?
What is the difference between functions and stored procedures?
What is read uncmmited?
What is difference between rownum and row_number?