The document explains SQL joins in DBMS, outlining their purpose of combining multiple tables based on a common field. It describes various types of joins, including left join, right join, inner join, and full outer join, with inner join being the most commonly used. An example of an inner join is provided, demonstrating how matching values from two tables are returned.

1. JOIN IN DBMS

2. SQL JOIN
• In DBMS, a join statement is mainly used to combine multiple tables based on a specified
common field between them.
• JOIN Keyword is used in SQL queries for joining.
• SQL Join is used to fetch data from two or more tables.

3. TYPES OF JOIN
1. Left Join
2. Right Join
3. Inner Join
4. Full Outer Join

4. INNER JOIN
• Inner Join is a type of join that can be used to return all the data that have matching values in both
the tables.
• It is the most widely used join operation.
• Syntax:

5. EXAMPLE OF INNER JOIN
#ID Name
101 Sunder Pichai
102 Bill Gates
103 Elon Musk
104 Steve Job
105 Tim Cock
#ID Address
102 Washington
103 Pretoria
104 California
105 Alabama
106 New York
Name Address

6. #ID Name Address
102 Bill Gates Washington
103 Elon Musk Pretoria
104 Steve Job California
105 Tim Cock Alabama
Query
Result

7. THANK YOU!