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Every table in a relational database has one field designated as it key field

Every table in a relational database has one field designated as it key field.

22) A DBMS separates the logical and physical views of the data.

23) The select operation creates a subset consisting of columns in a table, permitting the user to create new tables that contain only the information required.

24) DBMS designed for organizing structured data into rows and columns are not well suited to handling graphics-based or multimedia applications.

25) An object-oriented DBMS stores the data and procedures that act on those data as objects that can be automatically retrieved and shared.

26) Most DBMS have a specialized language called a data manipulation language that is used to add, change, delete, and retrieve the data in the database.

27) The most prominent data manipulation language today is Structured Query Language (SQL).

28) Every record in a file should contain at least one key field.

29) Many applications today require databases that can store and retrieve multimedia.

30) One of the drawbacks to OODBMS are that they cannot work with applets.

Jan 27 2020 View more View Less

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