join multiple tables sql
SELECT TableA.*, TableB.*, TableC.*, TableD.*
FROM TableA
JOIN TableB
ON TableB.aID = TableA.aID
JOIN TableC
ON TableC.cID = TableB.cID
JOIN TableD
ON TableD.dID = TableA.dID
WHERE DATE(TableC.date)=date(now())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;select a row include list of array with join two table SQL
SELECT e.aid, e.actors, a.act_names, e.benefactors, b.ben_names
FROM eg_assoc e
, LATERAL (
SELECT ARRAY( SELECT name
FROM generate_subscripts(e.actors, 1) i
JOIN eg_person p ON p.id = e.actors[i]
ORDER BY i)
) a(act_names)
, LATERAL (
SELECT ARRAY( SELECT name
FROM generate_subscripts(e.benefactors, 1) i
JOIN eg_person p ON p.id = e.benefactors[i]
ORDER BY i)
) b(ben_names);Copyright © 2021 Codeinu
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