1. A method comprising: receiving, by a processor, a request for geographic data; identifying, by the processor, a map attribute from the request; querying, by the processor, a metatable with the map attribute for a binary large object entry address, wherein the metatable includes a plurality of binary large object entry addresses; accessing, by the processor, a navigation database using the binary large object entry address for a binary large object including data for the map attribute; and generating, by the processor, a map command including the data for the map attribute.