Tipos de Recurso
There are four resource types used in CUBRID. The first one is the link identifier for a database connection, the second is the a resource which holds the result of a query, and the last two a resource which holds the query results of BLOB/CLOB data types.
A LOB identifier returned by cubrid_lob_get().
A LOB identifier returned by cubrid_lob2_new() or get from the result set.