27. The system of claim 26 , wherein the query interface is to pass a Predictive Query Language (PreQL) structured query to the predictive database system to execute the query, the PreQL structured query having a query syntax of: the SIMILAR command term as a required term; a ROW term as a required term, the ROW term specifying the row to be passed with the SIMILAR command term; a COLUMN term as a required term, the COLUMN term specifying the column to be passed with the SIMILAR command term; and an optional FROM term specifying one or more tables, datasets, data sources, and/or indices to be queried when the optional FROM term is specified and wherein a default value is used for the one or more tables, datasets, data sources, and/or indices to be queried when the optional FROM term is not specified.
26. The system of claim 24 , wherein the request interface exposes a Predictive Query Language Application Programming Interface (PreQL API) directly to authenticated users, wherein the PreQL API is accessible to the authenticated users via a public Internet.