In database schema testing, what does the term "Data Dictionary" refer to?

  • A catalog of all data elements and data structures
  • A collection of data tables
  • A log of database transactions
  • A tool for querying databases
The term "Data Dictionary" in database schema testing refers to a catalog that contains metadata about all data elements and data structures in the database. It provides information such as data types, relationships between tables, constraints, etc. This information is crucial for understanding and validating the database schema during testing.
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