1. A method for metadata verification of a data repository of a computer system comprising: accessing a data repository comprising multiple layers through a data profiler program, wherein each layer comprises a collection of attributes and wherein said data profiler program is configured to statistically examine data in individual layers of said data repository; querying said data repository for metadata information about said data repository; statistically analyzing said metadata information for each of said multiple layers; presenting statistics regarding said metadata information using said data profiler program for each individual layer of said multiple layers; identify potential problems comprising invalid or inaccurate metadata information from said data repository; and presenting a report comprising said potential problems for inspection.