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Time series on quantities, areas harvested and yield average of key global crops in Bulgaria пїЅ wheat, maize, rise and soybean пїЅ are stored in multidimensional database. The developed software modules for statistical processing are embedded into database to give better operability than known software systems with Graphical User Interface. Time series on key global crops production in Bulgaria on national and regional level are studied for the period 2002-2015. Comparative data analysis on two sub-periods with t...

The article presents modeling data on taxes and average annual salary in Bulgaria. This information is stored in a created relational database containing twelve tables. Updating the database is done each year, and the respective new records are entered into the indicated tables. The data about the taxes that are included in total expenditure of households by expenditure groups, average annual salary in Bulgaria and average annual salary by regions (North-West, North Central, North-East, South-East, South-West and ...