ETL
Systems related to the integration of data delivery and processing processes into the infrastructure of existing solutions
DBMS
Manage data collection and storage systems. Differ in internal architecture
BigData
Tools, methods and approaches to working with large amounts of data
OLAP
One of the ways of organizing the data marts. Multidimensional base, allowing you to work with slices on the real time
Reporting
Reporting system, converting data into visual representations. Allows you to control, confirm / deny hypotheses