mysql5.0.90存储过程定义变量出错，求解
CREATEPROCEDUREp()DECLAREaINT; 错误代码：#1064-YouhaveanerrorinyourSQLsyntax;checkthemanualthatcorrespondstoyourMySQLserverversionfortherightsyntaxtousenearDECLAREaINTatline1 求解释，求正确的代码，谢谢！！！！！！！！！！！！！！！！！！！
CREATE PROCEDURE p () DECLARE a INT;错误代码：#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DECLARE a INT' at line 1
求解释，求正确的代码，谢谢！！！！！！！！！！！！！！！！！！！！！！！！！！ MySQL
CREATE PROCEDURE p () DECLARE a INT;
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