The methods and systems for providing real-time business intelligence using national language queries facilitate a user to search within a data warehouse using a natural language question. Such business intelligence platform may receive a natural language based question, extract one or more key words from the natural language based question, determine a first dependency graph of the one or more key words based on a relationship among the one or more key words, determine a second dependency graph of the one or more key words based on previously stored search indices, merge the first and the second dependency graphs to generate an integrated dependency graph, and generate a formatted search string based on the integrated dependency graph.