data dictionary

  

Definition

Database about a database. A data dictionary defines the structure of the database itself (not that of the data held in the database) and is used in control and maintenance of large databases. Among other items of information, it records (1) what data is stored, (2) name, description, and characteristics of each data element, (3) types of relationships between data elements, (4) access rights and frequency of access. Also called system dictionary when used in the context of a system design.

Use data dictionary in a sentence

  • The data dictionary was referenced during the meeting to articulate the situation optimally to the board of directors at our company.

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  • If you have a ton of information and are having trouble storing it all using a data dictionary may make things easier for you.

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  • To learn the exact numbers and statistics I had to go and check out the data dictionary and see for myself.

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