Database Concepts for the Systems Analyst
Databases
- Data Architecture:
- Many information systems shops hesitate to give end-users access to operational databases, because the volume of unscheduled reports and queries could overload the computers and hamper business operations.
- To remedy that problem, data warehouses were developed. computers.
- Data warehouses store data that is extracted from the production databases and conventional files.
- Fourth-generation programming languages, query tools, and decision support tools are then used to generate reports and analyses off these data warehouses.