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我有這個疑問:SQL組按列沒有一個價值
SELECT *, COUNT(item.sel_item_id) AS 'Count'
FROM item
GROUP BY item.sel_item_table, item.sel_item_id, item.gold
這個結果:
SEL_ITEM_TABLE SEL_ITEM_ID
pf_gem 2 ...
pf_gem 4 ...
pf_gem 3 ...
pf_weapons 4 ...
pf_weapons 2 ...
pf_weapons 1 ...
我希望在pf_weapons的項目總是分開沒有GROUPBY,像這樣的:
SEL_ITEM_TABLE SEL_ITEM_ID
pf_gem 2 ...
pf_gem 4 ...
pf_gem 3 ...
pf_weapons 1 ...
pf_weapons 1 ...
pf_weapons 1 ...
pf_weapons 1 ...
pf_weapons 1 ...
pf_weapons 1 ...
pf_weapons 1 ...
那麼,它是返回'SEL_ITEM_ID'還是該列應該是'COUNT'? – Lamak 2014-10-09 14:19:27