Database Crossword

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Across
  1. 2. A domain-specific language used to manage and query relational databases.
  2. 3. A constraint that ensures that no two rows in a table have the same value for a particular column.
  3. 6. A type of database model based on tables.
Down
  1. 1. Type of Key which is a field in one table that links to the primary key in another table.
  2. 2. A blueprint for how the database is structured.
  3. 4. A request for information from a database.
  4. 5. Type of Key which acts as a unique identifier for each row in a database table.