Database Management System

Introduction A collection of programs that enables you to store, modify, and extract information from a database. There are many different types of DBMSs, ranging from small systems that run on personal computers to huge systems that run on mainframes. The following are examples of database applications: . Computerized library systems . Automated teller machines . Flight reservation systems . computerized parts inventory systems From a technical standpoint, DBMSs can differ widely. The terms relational, network, flat, and hierarchical …

…that will be queried to retrieve the desired results. The where clause (optional) specifies which data values or rows will be returned or displayed, based on the criteria described after the keyword where. Conditional selections used in the where clause: =<Tab/>Equal ><Tab/>Greater than <<Tab/>Less than >=<Tab/>Greater than or equal