• JAVA-SQL
• ::
• ResultsetMetaData Class
• ::
• isWritable ( index )

method:isWritable ( index )
return type:boolean
content:ใช้ตรวจสอบว่า column ณ ตำแหน่งที่กำหนด สามารถเขียนข้อมูลลงไปได้ด้วย ใช่หรือไม่
example:Class.forName ( "sun.jdbc.odbc.JdbcOdbcDriver" );
Connection conn = DriverManager.getConnection ( "jdbc:odbc:Nutt" );
Statement stat = conn.createStatement ( ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY );
String sql = "SELECT firstname, lastname, sex FROM person";
Result rs = stat.executeQuery ( sql );
ResultSetMetadata rsmd = rs.getMetaData ( );
if ( rsmd.isWritable ( 0 ) ) 
{
	System.out.println ( "This column can writable." );
}