章3.txt”文件）：
ALTER PROC [ EDURE ] procedure_name [ ; number ]
    [ { @parameter data_type }
        [ VARYING ] [ = default ] [ OUTPUT ]
    ] [ ,...n ] 
[ WITH
    { RECOMPILE | ENCRYPTION
        | RECOMPILE , ENCRYPTION
    } 
]
[ FOR REPLICATION ] 
AS
    sql_statement [ ...n ]