L Problem table

L_Problem in Centralized_data.mdb contains known errors or false-positives. It is used for recording this information, and for excluding records from check queries.

It is manually populated by the data processor as she encounters the errors or false positives, for example as part of vetting.

L_Problem contains the fields

D_ID	unique record ID
Query	query from which to exclude this false positive
Notes	further explanations, eg why the error was not corrected or why it is a false positive }