code: function (connectionName, table, attrName, attrDef, cb) {
              var connectionObject = connections[connectionName];
              if (LOG_DEBUG) {
                  console.log("BEGIN addAttribute");
              }
              // Escape Table Name
              table = utils.escapeName(table);
  
              // Setup a Schema Definition
              var attrs = {};
              attrs[attrName] = attrDef;
  
              var _schema = utils.buildSchema(attrs);
  
              // Build Query
              var query = 'ALTER TABLE ' + table + ' ADD COLUMN ' + _schema;
  
              // Run Query
              connectionObject.pool.getConnection(
                      function (err, connection)
                      {
                          if (err) {
                              handleQueryError(err, 'addAttribute');
                              return;
                          }
                          if (LOG_QUERIES) {
                              console.log('Executing query: ' + query);
                          }
                          connection.execute(query, {}, {outFormat: oracledb.OBJECT}, function __ADD_ATTRIBUTE__(err, result) {
                              /* Release the connection back to the connection pool */
                              doRelease(connection);
                              if (err)
                                  return cb(handleQueryError(err, 'addAttribute'));
                              cb(null, result.rows);
                          });
                      });
  
          }
docs: Add a column to a table - NO USADO