compare subqueries oracle

Expensive Earthworm answered on December 9, 2021 Popularity 3/10 Helpfulness 1/10

answer compare subqueries oracle

compare subqueries oracle

Comment

// use NOT EXISTD (A MINUS B) instead of =

SELECT DISTINCT H1.HE_ID, H2.HE_ID
  FROM INV_HEAD H1, INV_HEAD H2
  WHERE H1.ID <> H2.ID
  AND NOT EXISTS(
    ((SELECT ART_ID, QUANTITY, PRICE FROM INV_POS WHERE HE_ID = H1.ID) 
      MINUS 
     (SELECT ART_ID, QUANTITY, PRICE FROM INV_POS WHERE HE_ID = H2.ID)) 
      UNION 
    ((SELECT ART_ID, QUANTITY, PRICE FROM INV_POS WHERE HE_ID = H2.ID) 
     MINUS 
     (SELECT ART_ID, QUANTITY, PRICE FROM INV_POS WHERE HE_ID = H1.ID)));

Popularity 3/10 Helpfulness 1/10 Language sql

Source: stackoverflow.com

Tags: compare oracle sql

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