Information Technology/Oracle Database
[ORACLE] TABLE JOIN IN SQL
Patrick Moon
2019. 9. 18. 18:07
When I want to join with tables, you need to use JOIN function
For example,
TABLE_1: EMPLOYEES
TABLE_2: EMP_DETAILS_VIEW
And if the colume is same as COLUME
THEN,
SELECT *
FROM TABLE_1 A JOIN TABLE_2 B ON A.COLUME = B.COLUME;
Refer to the following example
SELECT *
FROM EMPLOYEES A JOIN EMP_DETAILS_VIEW B ON A.EMPLOYEE_ID = B.EMPLOYEE_ID;