about join

Answers were Sorted based on User's Feedback



about join..

Answer / mala yadav

select command is used to fetch the result from the table ,
but of u want the combine results from more than 1 table
then in this case we use JOINS rather than a single table
select statement.

In joins u can join upto 2 to 61 tables to get tha required
result.

joins are of 5 types
- inner join
- self join
- cross join
- left outer join
- right outer join

Is This Answer Correct ?    1 Yes 0 No

about join..

Answer / vishal

if u donot know join means u always working in one table but
always single table is not enough to give the result than
comes the concept of joins in which two table we join must
have a column same on the basis of the table are join. join
are of various type such as left outer, right outer ,inner
join etc

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More MySQL Interview Questions

What is SERIAL data type in MySQL?

3 Answers   Aspire,


Why use stored procedures in mysql?

0 Answers  


How do I select a database in mysql?

0 Answers  


What is the usage of "i-am-a-dummy" flag in mysql?

0 Answers  


How do I show all mysql databases?

0 Answers  






Explain the different types of constraints?

0 Answers  


How to load a csv file into a table

0 Answers  


How can I change database in mysql?

0 Answers  


What are the non-standard sql commands supported by 'mysql'?

0 Answers  


What are the features of mysql?

0 Answers  


What is MySQL?

0 Answers  


What does tinyint mean?

0 Answers  


Categories