1			10
			2
						13
	3/8			12											15
												14
				11
			4
5
			6
		9
	7

Across

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

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

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

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

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

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

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

Down

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

9. Structured Query Language, a popular database language used to manipulate and retrieve data.

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

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

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

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

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

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

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