All mandatory classes and methods of the JDBC 3.0 and 4.0 specifications are supported by the SQL Anywhere JDBC driver. Some optional methods of the java.sql.Blob interface are not supported. These optional methods are:

• long position( Blob pattern, long start );
• long position( byte[] pattern, long start );
• OutputStream setBinaryStream( long pos )
• int setBytes( long pos, byte[] bytes )
• int setBytes( long pos, byte[] bytes, int offset, int len );
• void truncate( long len );