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DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET ±äÁ¿1=null,±äÁ¿2=null;
OPEN cur_Ãû³Æ;
FETCH cur_Ãû³Æ INTO ±äÁ¿1,±äÁ¿2...;
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HANDLER tbl_name READ index_name { = | >= | <= | < } (value1,value2,...)
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