SQL

SQL INNER JOIN With WHERE Clause

SELECT Customers.customer_id, Customers.first_name, Orders.amount
FROM Customers
INNER JOIN Orders
ON Customers.customer_id = Orders.customer
WHERE Orders.amount >= 500;

sql inner join

-- Rows with ID existing in both a, b and c
-- JOIN is equivalent to INNER JOIN
SELECT a.ID, a.NAME, b.VALUE1, c.VALUE1 FROM table1 a 
  JOIN table2 b ON a.ID = b.ID
  JOIN table3 c ON a.ID = c.ID
WHERE a.ID >= 1000;
-- ⇓ Test it ⇓ (Fiddle source link)

SQL Syntax of INNER JOIN

SELECT columns
FROM table1
INNER JOIN table2
ON table1.column_name = table2.column_name;

Query Inner Join

SELECT
	customer.customer_id,
	first_name,
	last_name,
	amount,
	payment_date
FROM
	customer
INNER JOIN payment 
    ON payment.customer_id = customer.customer_id
ORDER BY payment_date;
Bahasa kode:  SQL (Structured Query Language)  ( sql )

Inner join

SELECT
	customer.customer_id,
	first_name,
	last_name,
	amount,
	payment_date
FROM
	customer
INNER JOIN payment 
    ON payment.customer_id = customer.customer_id
ORDER BY payment_date;

Code language: SQL (Structured Query Language) (sql)

SQL INNER JOIN

SELECT Customers.customer_id, Customers.first_name, Orders.amount
FROM Customers
INNER JOIN Orders
ON Customers.customer_id = Orders.customer;

inner join

INNER JOIN is used when retrieving data from
multiple tables and will return only matching data.

example=
Select P.FIRST_NAME , M.DRUG_ID
FROM PATIENTS P
INNER JOIN MEDICATIONS M ON P.PATIENTS_ID = M.PATIENTS_ID

sql inner join

SELECT   field1, CASE field2
         WHEN condition1 THEN 'result1'
         WHEN condition2 THEN 'result2'
         ELSE 'result'
      END, field3
FROM table_name;

INNER JOIN

select * 
from   toys
join   bricks
on	toy_id > brick_id;

sql inner join

/*The INNER JOIN keyword selects records that have matching values in both 
tables.
*/
INNER JOIN Syntax
SELECT column_name(s)
FROM table1
INNER JOIN table2
ON table1.column_name = table2.column_name;

Sql server inner join

SELECT
    product_name,
    category_name,
    list_price
FROM
    production.products p
INNER JOIN production.categories c 
    ON c.category_id = p.category_id
ORDER BY
    product_name DESC;
Code language: SQL (Structured Query Language) (sql)