inner join syntax for 3 tables code example

Example 1: how to join tables in sql

JOINING 2 Tables in sql

SELECT X.Column_Name , Y.Column_Name2
FROM TABLES1_NAME X 
INNER JOIN TABLES2_NAME Y ON X.Primary_key = Y.Foreign_key;


--FOR EXAMPLE
--GET THE FIRST_NAME AND JOB_TITLE
--USE EMPLOYEES AND JOBS TABLE
--THE RELATIONSHIP IS JOB_ID

SELECT E.FIRST_NAME , J.JOB_TITLE
FROM EMPLOYEES E
INNER JOIN JOBS J ON J.JOB_ID = E.JOB_ID;

Example 2: how to inner join 4 tables in sql

# no need to use parentheses - works fine
SELECT * FROM names A
INNER JOIN address B ON A.personID = B.personID
INNER JOIN emailAddress C ON A.personID = C.personID
INNER JOIN phoneNumbers D ON A.personID = D.personID;