What is meant by Join? What are the different types of
Joins available? Explain.

Answer Posted / kilari hemadri

Joins is used to relate two tables and display the result..
types of joins are

inner join
left join
right join
full join
cross join

inner join : It is used to display the common values in
both the tables based on the condition given.

left join : Left join displays all the contents of left
table and dislays the right table contents that are present
in left table.

right join : it is contraversy to left join

full join : it is combination of both left and right joins.

cross join: it takes one row of left table and matches with
all the rows in the right table.

Is This Answer Correct ?    16 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to avoid duplicate records in a query?

577


What is blind sql injection?

574


How exception is different from error?

539


what is not null constraint? : Sql dba

548


how would you get the current date in mysql? : Sql dba

541






What is the difference between execution of triggers and stored procedures?

552


Describe sql comments?

559


How to know the last executed procedure?

586


What type of database is cloud sql?

576


what are the differences between binary and varbinary? : Sql dba

529


Can a trigger call a stored procedure?

534


How can you save or place your msg in a table?

521


what are properties of a transaction? : Sql dba

559


What is the difference between a subquery and a join?

527


what is data integrity? : Sql dba

596