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DECLARE cur_Ãû³Æ CURSOR
FOR
SELECT ×Ö¶Î1,×Ö¶Î2,...×Ö¶În from ±í where ×Ö¶Î1=±äÁ¿;
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET ±äÁ¿1=null,±äÁ¿2=null;
OPEN cur_Ãû³Æ;
FETCH cur_Ãû³Æ INTO ±äÁ¿1,±äÁ¿2...;
WHILE ( ±äÁ¿1 IS NOT NULL) DO
...
FETCH cur_Ãû³Æ INTO ±äÁ¿1,±äÁ¿2...;
END WHILE;
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2 a2
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2 b2
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CREATE [OR REPLACE] [ALGORITHM = {UNDEFINED | MERGE | TEMPTABLE}]
VIEW view_name [(column_list)]
AS select_statement
[WITH [CASCADED | LOCAL] CHECK OPTION]
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HANDLER tbl_name OPEN [ AS alias ]
HANDLER tbl_name READ index_name { = | >= | <= | < } (value1,value2,...)
[ WHERE where_condition ] [LIMIT ... ]
HANDLER tbl_name READ index_name { FIRST | NEXT | PREV | LAST } ......