... - -AIV_VARCHAR2 VARCHAR2 IN The JDBC API defines a method, named DatabaseMetaData.getProcedureColumns( ), you can invoke to get stored procedure signature data In practice, however, ... aiv_varchar2 in varchar2 ) return number is begin return to_number( aiv_varchar2 ); exception when OTHERS then return null; end ToNumber; procedure ToNumber ( aiv_varchar2 in varchar2, aon_number ... Section 13 .2. 1.1, you can specify the following: cstmt.registerOutParameter(1, Types. DOUBLE, 2) ; You can determine the Types constant to use for a given OUT parameter by referring to Table 10 -2 In...