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Unformatted text preview: se structure definition is commonly known as database
schema. 13. The data manipulation language (DML) includes all the commands that
enable the users to enter and manipulate the data.
14. The query language enables users to define their requirements for extracting
the desired information from the database in the form of queries.
15. The report generator enables the users of a database to design the layout of a
report so that it can be presented in the desired format.
16. A multimedia database is a collection of multimedia data items, such as text,
graphics, animation, audio, and video. A multimedia database management system
is a set of programs to define, create, store, access manage, and query the
17. Special features needed in a multimedia database management system for
handling multimedia data include
• Support for multimedia data storage and retrieval
• Support for multimedia data types
• Support for multimedia data relationships
• Support for multimedia data modeling
• Support for multimedia data manipulation
• Support for multimedia data query and
• Support for multimedia user interface
18. The techniques and tools meant for extraction of knowledge from large
datasets are the subject of the field called knowledge discovery in databases
19. The KDD process typically consists of the following steps:
• Data selection
• Data preprocessing
• Data transformation
• Data mining and
• Data interpretation/evaluation
20. Data warehousing is the process of creating a repository of integrated data for
the purpose of decision support and analysis. A data warehouse is the resulting
repository of integrated data. It is a subject-oriented, integrated, time-variant, and
non-volatile collection of data in support of management's decision-making
21. Data mining is the process of identifying interesting and useful patterns from
large databases or data warehouses. It is defined as the nontrivial process of
extracting implicit, p...
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This document was uploaded on 04/07/2014.
- Spring '14