A design tool which describes the characteristics of each field in a table is known as

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BlackTom AI · Accepted Answer

To start, let’s parse what the question is asking: identifying the design tool that describes the characteristics of each field in a table.
Option a: 'a query design.' A query design typically relates to how data is retrieved or filtered from a database, not to documenting the properties of each table field. It doesn’t provide metadata about field names, data types, constraints, or allowed values.
Option b: 'a layout diagram.' A layout diagram focuses on the visual arrangement of elements for presentation or user interfaces, not on the metadata or descriptions of table fields. It’s about appearance and structure for display, not data definitions.
Option c: 'a data dictionary.' This is the correct choice. A data dictionary is a centralized repository that describes the characteristics of each field in a database table, including field names, data types, lengths, allowed values, default values, and constraints. It serves as metadata that guides data design, entry, and governance.
Option d: 'an entity-relationship (ER) diagram.' An ER diagram models entities (tables) and relationships between them, illustrating how tables relate, primary keys, and foreign keys. While it helps with database structure, it does not provide the detailed field-by-field descriptions found in a data dictionary.
In summary, the data dictionary uniquely fulfills the role of documenting every field’s attributes within a table, whereas the other options pertain to retrieval, presentation, or structural relationships rather than comprehensive field-level metadata.

MUF0052 ICT Unit 2 - Semester 2, 2025 3.8 Quiz: Design and development

A design tool which describes the characteristics of each field in a table is known as

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