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Crossword: Database Definition Language

Across

1. A rule that restricts the values allowed in certain columns or tables.

2. A vertical part of a table that holds a specific type of data.

3. A unique identifier for each record in a table.

4. A DDL query used to delete a table from a database.

5. A set of rules and symbols used for communication and expression.

6. A DDL query used to remove a column from an existing table.

7. A DDL query used to modify the structure of an existing table.

8. A logical representation of the structure of a database.

9. A field in one table that refers to the primary key in another table.

Down

10. A collection of data organized in a structured manner.

11. A DDL query used to create a new table in a database.

12. A DDL query used to remove all the data from a table while keeping its structure intact.

13. A DDL query used to add a new column to an existing table.

14. A DDL query used to change the name of an existing table.


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