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Developer-C 11.1
3.0
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CREATE TABLE x ( Order_no, Type ) AS SELECT 123, 'A' FROM DUAL UNION ALL SELECT 123, 'B' FROM DUAL UNION ALL SELECT 123, 'C' FROM DUAL UNION ALL SELECT 234, 'A' FROM DUAL UNION ALL SELECT 234, 'C' FROM DUAL UNION ALL SELECT 345, 'B' FROM DUAL UNION ALL SELECT 456, 'C' FROM DUAL UNION ALL SELECT 456, 'A' FROM DUAL UNION ALL SELECT 567, 'A' FROM DUAL UNION ALL SELECT 567, 'B' FROM DUAL;
10 rows affected
SELECT order_no, type FROM ( SELECT x.*, COUNT( CASE type WHEN 'A' THEN 1 END ) OVER ( PARTITION BY order_no ) AS num_a, COUNT( CASE type WHEN 'B' THEN 1 END ) OVER ( PARTITION BY order_no ) AS num_b FROM x ) WHERE num_a > 0 AND num_b > 0;
ORDER_NO
TYPE
123
A
123
B
123
C
567
A
567
B