A data dictionary is sometimes described as "the database designer's database" because it records the design decisions about tables and their structures.
True is the correct answer for the above questions.
Explanation:
A data dictionary is used to hold the structure and definition of the database. It is because it is used to hold information about the database or operational database.
It is a set of schema through which the user can understand the structure of the database. It can be used to define the metadata also. The metadata detailed the data of a database.
The above question-statement also wants to states about the same which is described above which is the definition of the data dictionary. Hence it is a true statement.
