INNER JOIN | DEFAULT JOIN | EQUI JOIN | ANSI JOIN | SQL JOIN

Publicado em: 01 Janeiro 2021
no canal de: Tech Point Fundamentals
2,430
26

INNER JOIN | DEFAULT JOIN | EQUI JOIN | ANSI JOIN | SQL JOIN

The INNER JOIN is used to retrieve the matching data from both the tables. INNER JOIN discards the non-matching rows from both the tables.

SELECT
U.Name,
Email,
MobileNumber,
R.Name
FROM [User] U
INNER JOIN UserRole UR ON U.Id = UR.UserId
INNER JOIN Role R ON UR.RoleId = R.Id

INNER JOIN is the DEFAULT JOIN, so if you will not provide any join name, it will be treated as INNER JOIN.

SELECT
U.Name,
Email,
MobileNumber,
R.Name
FROM [User] U
JOIN UserRole UR ON U.Id = UR.UserId
JOIN Role R ON UR.RoleId = R.Id

In this video, we will see the INNER JOIN with a real example.


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