2. Disclaimer: This presentation is prepared by trainees of
baabtra as a part of mentoring program. This is not official
document of baabtra –Mentoring Partner
Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt .
Ltd

3. Joins and different types of joins in
SQL
Sarbazali.N
sarbazalin@gmail.com
Sarbaz Ali
twitter.com/username
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me
9037896770

4. What is sql join?
A SQL join clause combines records from
two or more tables in a database.

5. Sql joins
o INNER JOIN
o FULL OUTER JOIN
o RIGHT OUTER JOIN
o LEFT OUTER JOIN

6. INNER JOIN
The INNER JOIN keyword returns rows when there is
at least one match in both tables.
SYNTAX:-
SELECT column_name(s)
FROM table_name1
INNER JOIN table_name2
ON table_name1.column_name=table_name2.column_name

7. FULL OUTER JOIN
The FULL JOIN keyword return rows when there
is a match in one of the tables.
SYNTAX:-
SELECT column_name(s)
FROM table_name1
FULL JOIN table_name2
ON
table_name1.column_name=table_name2.colum
n_name;

8. RIGHT OUTER JOIN
The RIGHT JOIN keyword returns all the rows from
the right table (table_name2), even if there are no
matches in the left table (table_name1).
SYNTAX:-
SELECT column_name(s)
FROM table_name1
RIGHT JOIN table_name2
ON
table_name1.column_name=table_name2.column_n
ame

9. LEFT OUTER JOIN
The LEFT JOIN keyword returns all rows from the left table
(table_name1), even if there are no matches in the right table
(table_name2).
SYNTAX:-
SELECT column_name(s)
FROM table_name1
LEFT JOIN table_name2
ON table_name1.column_name=table_name2.column_name

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