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盐我团穴屯叟 衔那老形眼 � 闲拍宋婆腿� HAVING


橡邃腩驽龛� HAVING 祛驽� 镳桧桁囹� 镱溏囡痤覃 � 耦铗礤窀眄 镱溏囡痤覃. 暑沅� 恹 桉镱朦珞弪� 耦铗礤窀眄 镱溏囡痤� � 镳邃腩驽龛� HAVING, 恹 漕腈睇 钽疣龛麒忄螯 忭屮龛� 耨觇 磬 镱玷鲨�, 觐蝾瘥� 祛汶� 猁 礤镱耩邃耱忮眄� 桉镱朦珙忄螯�� � 襦祛� 镳邃腩驽龛� HAVING. 蔓 镱祉栩� 桤 秒噔� 6, 黩� 镳邃腩驽龛� HAVING 祛驽� 桉镱朦珙忄螯 蝾朦觐 嚆疱汔蝽 趔黻鲨�, 觐蝾瘥� 箨噻囗� � 桴 镳邃腩驽龛� SELECT, 桦� 镱��, 桉镱朦珞屐 � 桴 镳邃腩驽龛� GROUP BY. 雾� �怆��� 蝾朦觐 忭屮龛扈 耨赅扈, 觐蝾瘥� 恹 祛驽蝈 溴豚螯. 埋� � 镱蝾祗, 黩� 镳邃桕囹 镳邃腩驽龛� HAVING 铞屙桠噱蝰� 潆� 赅驿铋 沭箫稃 桤 忭屮礤泐 玎镳铖�, � 礤 潆� 赅驿铋 耱痤觇. 央邃钼囹咫�, 镱溏囡痤� 狍溴� 恹镱腠�螯�� 钿桧 疣� 潆� 赅驿铋 沭箫稃, 恹忮涓眄铋 桤 忭屮礤泐 玎镳铖�, � 礤 潆� 赅驿铋 耱痤觇. 橡邃镱腩骅�, 黩� 恹 躅蜩蝈 耋祆桊钼囹� 珥圜屙�� 耋祆 镳桀狃弪屙栝 镱牦镱� 桤 蜞犭桷� 青赅珙�, 胥痼镲桊钼噔 桴 镱 溧蜞�, 箐嚯桠 怦� 溧螓, 沅� 猁 SUM 礤 猁� 镱 牮嚅礤� 戾疱 磬 2000.00 恹 爨犟桁嚯铋 (MAX) 耋祆�:

SELECT odate, SUM (amt) FROM Orders a GROUP BY odate HAVING SUM (amt) > ( SELECT 2000.00 + MAX (amt) FROM Orders b WHERE a.odate = b.odate );

项溏囡痤� 恹麒耠�弪 珥圜屙桢 MAX 潆� 怦艴 耱痤� � 蝾� 驽 襦祛� 溧蝾�, 黩� � � 蝈牦� 嚆疱汔蝽铋 沭箫稃 铖眍忭钽� 玎镳铖�. 蒡� 漕腈眍 猁螯 恹镱腠屙�, 赅� � 疣礤�, � 桉镱朦珙忄龛屐 镳邃腩驽龛� WHERE. 燕� 镱溏囡痤� 礤 漕腈屙 桉镱朦珙忄螯 镳邃腩驽龛� GROUP BY 桦� HAVING.





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