10. A non-transitory computer readable medium storing computer-executable program code, the program code comprising: code to receive a structured query language query; code to determine at least one point data query and at least one relational data query based on the structured query language query; code to transmit the at least one point data query to at least one point data server; code to transmit the at least one relational data query to at least one relational data server; code to receive point data and relational data in response to the point data query and the relational data query; and code to join the received point data and the received relational data into a result rowset; wherein the code to receive point data and relational data in response to the point data query and the relational data query comprises: code to receive, from the at least one point data server in response to the at least one point data query that is based on the structured query language query, point data that has been collected from multiple heterogeneous sources based on components defined according to a class-based object model and encapsulated as object instantiations of the components; and wherein the at least one point data server is to receive the object instantiations of the components defined according to the class-based object model; and wherein the point data is current, real-time or value data associated with one or more instruments, components, or portions of a manufacturing, industrial, commercial, or other system.
18. The non-transitory computer readable medium according to claim 10 , wherein the at least one point data query is separate from the at least one relational data query.