Question : date comparison

Hi,

I want to compare the entire date instead of Month alone in the below query. How do I do that?

SELECT p_partition_name, a.sc_key, a.greige_colr,
       SUM
          (CASE
              WHEN TO_CHAR (ADD_MONTHS (gc_buy_mnth, -1), 'MON') =
                                                       TO_CHAR (a.mnth, 'MON')
                 THEN NVL (a.fcst_qty, 0)
              ELSE 0
           END
          ) AS po_mnth_1
  FROM DUAL

thanks
Victor

Answer : date comparison

You can do in the following way, though this is not exact query as you need to specify the date values instead of month values

 

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SELECT p_partition_name, A.sc_key, A.greige_colr,
       SUM
          (CASE
              WHEN TO_CHAR (ADD_MONTHS (gc_buy_mnth, -1), 'MM/DD/YYYY') =
                                                       TO_CHAR (A.mnth, 'MM/DD/YYYY')
                 THEN NVL (A.fcst_qty, 0)
              ELSE 0
           END
          ) AS po_mnth_1
  FROM DUAL
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