Difference between revisions of "Join 3 Tables"
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SELECT A.sales_date, A.order_id, A.product_id, B.product_name, C.job_title | === Join 3 Tables === | ||
SELECT A.sales_date, A.order_id, A.product_id, B.product_name, C.job_title | |||
FROM sales A INNER JOIN product B | FROM sales A INNER JOIN product B | ||
ON A.product_id = B.product_id | ON A.product_id = B.product_id | ||
LEFT OUTER JOIN salesperson C | LEFT OUTER JOIN salesperson C | ||
ON A.salesperson_id = C.salesperson_id; | ON A.salesperson_id = C.salesperson_id; | ||
===Join 4 Tables === | |||
SELECT A.sales_date, A.order_id, A.product_id, B.product_name, C.job_title, D.first_name, D.last_name | |||
FROM sales A INNER JOIN product B | |||
ON A.product_id = B.product_id | |||
LEFT OUTER JOIN salesperson C | |||
ON A.salesperson_id = C.salesperson_id | |||
INNER JOIN customer D | |||
ON A.customer_id = D.customer_id; | |||
[[#Select Command|Back To Top]]-[[Main_Page| Home]] - [[Oracle_SQL|Category]] | [[#Select Command|Back To Top]]-[[Main_Page| Home]] - [[Oracle_SQL|Category]] | ||
Revision as of 19:58, 1 November 2017
=== Join 3 Tables ===
SELECT A.sales_date, A.order_id, A.product_id, B.product_name, C.job_title
FROM sales A INNER JOIN product B ON A.product_id = B.product_id LEFT OUTER JOIN salesperson C ON A.salesperson_id = C.salesperson_id;
Join 4 Tables
SELECT A.sales_date, A.order_id, A.product_id, B.product_name, C.job_title, D.first_name, D.last_name FROM sales A INNER JOIN product B ON A.product_id = B.product_id LEFT OUTER JOIN salesperson C ON A.salesperson_id = C.salesperson_id INNER JOIN customer D ON A.customer_id = D.customer_id;