1						15
	12		13							16
			2													18
													3
					4
														17
5
														6
7
								8
				14
9
	10
11

Across

1. A method used to retrieve specific information from a database by creating a virtual table that combines data from multiple tables.

2. Security vulnerabilities that occur when user input is directly concatenated into SQL queries.

3. A table that is not physically stored in the database but is created dynamically based on the result of a query.

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

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

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

7. A field in a database or data table that is calculated or derived from other fields, rather than being directly inputted or stored.

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

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

10. A structured collection of data that is organized and accessible in various ways.

11. A placeholder is a character or sequence of characters used in a SQL statement as a substitute for a parameter value.

Down

12. A SQL statement that uses parameters to substitute variable values in the query.

13. A clause in SQL that allows you to retrieve only rows from a table that meet specified criteria.

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

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

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

17. Symbols used to represent parameter placeholders in a SQL statement.

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

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