ISOM Lecture 6 - Database management systems(DBMS software...

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Database management systems (DBMS) – software through which users and application programs interact with a database •The components of the DBMS are discussed in detail on the following slides •A DBMS contains: Data definition component – allows user to create tables and relationships Data manipulation component – allows users to create, read, update, and delete information in a database Application generation component - allows users to create various interfaces to databases Example : Report and form generators – users can define report and form formats Data administration component – allows DBA (Data Base Administrator) to maintain technical aspects of database systems (such as performance, security, etc.) •MS Access Overview – Covers IMPLEMENTATION and USE & MAINTENANCE phases Data warehouse – a logical collection of information – gathered from many different operational databases – that supports business analysis activities and decision-making tasks •The primary purpose of a data warehouse is to aggregate (gather) information throughout an organization into a single repository for decision-making purposes Transactional information – encompasses all of the information contained within a single business process or unit of work, and its primary purpose is to support the performing of daily operational tasks
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