1	8
2													11
	3
				9
4
								10
5	7
				6

Across

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

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

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

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

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

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

Down

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

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

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

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

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

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