"CORSS–JOIN"

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Across
  1. 2. I remove extra data and make your database clean.
  2. 6. connect related tables together — I’m the linking key.
  3. 7. I help you find data from one or more tables — you write me in SQL.
  4. 10. I make sure data follows the rules — no rule breaking here!
Down
  1. 1. I make sure each record has a unique value — call me the table’s ID.
  2. 3. I store all your data in rows and columns — who am I?
  3. 4. I’m a question you ask the database to get answers.
  4. 5. I am used to join all rows of two tables — even when they don’t match
  5. 8. I remember what happened — I’m like a list of changes.
  6. 9. I remove all the rows from a table but keep the structure safe.