Data Dictionary

A Data Dictionary is a collection of descriptions of the data objects or items in a data model for the benefit of programmers and others who need to refer to them. In database management systems, Data Dictionary is a file that defines the basic organization of a database. A data dictionary contains a list of all files in the database, the number of records in each file, and the names and types of each field. Most database management systems keep the data dictionary hidden from users to prevent them from accidentally destroying its contents.

DatabaseOnlineAssignmentHelp provide assignment and project help services for Data Dictionary. We are here with an aim to help and motivate the students in learning the concepts of Data Dictionary. Data Dictionary is used in control and maintenance of large databases. It includes what data is stored, name, description, and characteristics of each data element, types of relationships between data elements, access rights and frequency of access.

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