1. A manufacturing execution system comprising: a data source; a computer having a display device and implementing a programmer interface for analyzing the data source; the programmer interface including a query browser, an execute means, and a data structure means; the query browser including query building means for generating a query; the execute means configured to provide provides means for receiving data from the data source according to the query; and the data structure means configured to provide a structure of the received data based on the query; wherein the query building means are adapted to generate a query for real time data, wherein the means for receiving data from the data source are adapted to receive the real time data, and wherein the data structure means are adapted for providing a structure corresponding to the real time data.