Database concepts bingo

Exercise and reference answers

Clues and terms

1. Clue

   Software used to create and manage databases.

   Item

   DBMS

2. Clue

   The design or logical architecture of a database.

   Item

   Schema

3. Clue

   The state of the database at a given moment.

   Item

   Instance

4. Clue

   The schema and its constraints, held in a catalog.

   Item

   Meta-data

5. Clue

   A request to a database for information.

   Item

   Query

6. Clue

   A row of a relation, unique by its contents.

   Item

   Tuple

7. Clue

   The count of attributes in a relation.

   Item

   Degree

8. Clue

   The count of tuples in a relation.

   Item

   Cardinality

9. Clue

   The programs a DBMS uses to handle queries.

   Item

   Engine

Instructions

Read each clue and tap the term it describes.

Explanation