Apparatuses and methods for automatic query processing are disclosed, which includes a query analyzer configured to a query analyzer configured to extract the query condition from the input query, a scheduler configured to create one or more sub-queries to verify whether the query condition is satisfied, and to determine an execution condition for the one or more sub-queries, and a condition verifier configured to execute the one or more sub-queries according to the determined execution condition, and to verify whether the query condition is satisfied using results of executing the one or more sub-queries.