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Db Hw1

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Bowen Xu UTD-ID: 2021173970 Database Design CS 6360.001

HW #1

Chapter 1 1.1 Data: known facts that can be recorded and have an implicit meaning. Database: a collection of related data. DBMS: a program/software package that manages a database. Database system: DBMS software together with the data itself. Sometimes, the applications are also included. Database catalog: provide a list of all databases on a server. You use the server Catalog task to create a database catalog. Meta-data: The database definition of descriptive information is also stored by the DBMS in the form of a database catalog or dictionary. Program-data independence: The structure of data files is stored in the DBMS catalog separately from the access program. User view: database primarily exists for use like accessed to the database for querying, updating, and generating reports. DBA: people who administer the database, DBMS and related software. End user: people whose job requires access to the database for querying, updating, and generating reports. Canned transaction: using standard types of queries and updates. Deductive database system: database system which provides capabilities for defining deduction rules for inferencing new information from the stored database facts. Persistent object: stored in the database and persist after program termination. Transaction-processing application: application that the information processing that is divided into individual. 1.3 Main characteristics: Self-contained nature of a db system. Insulation between programs and data. Data abstraction. Support of multiple views of the data. Sharing of data and multiuser transaction processing. For traditional file systems, it cannot allow users to concurrent access to the data. 1.5 Casual end users: occasionally access the database, but they may need different information each time. Naive or…...

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