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오라클 lateral 조인

DB CAFE

Dbcafe (토론 | 기여)님의 2019년 5월 23일 (목) 07:58 판
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https://oracle-base.com/articles/12c/lateral-inline-views-cross-apply-and-outer-apply-joins-12cr1#lateral-inline-views

LATERAL[편집]

SELECT department_name, employee_name
  FROM departments d
     , LATERAL (SELECT employee_name
                  FROM   employees e
                 WHERE  e.department_id = d.department_id
               );