def dataBase():

    fileURL = getLastFilePath()
    db = DB()
    db.csv2sql(fileURL)
    db.createApartsTable()
    db.createTableNewRows()
    db.createTableUpdateRows()
    db.createTableDeleteRows()
    db.createTableCheapAparts()
    db.createTableExpensiveDistricts()
    db.updateApartsTable()
    db.deleteTmpTables()