Я использую oracle SQL и у меня есть таблица с повторяющимися строками, подобная этой:
Month Product
March ENVOY & External Keyboard (22)
March ENVOY & External Keyboard (22)
March ENVOY & External Keyboard (22)
March ENVOY & External Keyboard (22)
March ENVOY & External Keyboard (22)
March ENVOY & External Keyboard (22)
April ENVOY & External Keyboard (22)
April ENVOY & External Keyboard (22)
April ENVOY & External Keyboard (22)
April ENVOY & External Keyboard (22)
April ENVOY & External Keyboard (22)
Мне нужно преобразовать ее примерно так:
Month Product
March ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
April ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
ENVOY & External Keyboard (22)
Я пытаюсь использовать SELECT (case when row_number() over (partition by times.calendar_month_name order by (select NULL)) = 1 then times.calendar_month_name end) Month
, но не работает ... Есть идеи?