To answer this question, you need to understand the basic SQL (Structured Query Language) syntax.
Option A) OPEN - This option is incorrect because the OPEN statement is not used to extract data from a database. It is used to open a cursor or a file.
Option B) GET - This option is incorrect because the GET statement is not used to extract data from a database. It is used to retrieve a single value from a table.
Option C) SELECT - This option is correct because the SELECT statement is used to extract data from a database. It is the most commonly used SQL statement and allows you to retrieve specific columns or rows from one or more tables.
Option D) EXTRACT - This option is incorrect because the EXTRACT statement is used to retrieve a specific part of a date or time value, such as the year, month, or day.
The correct answer is C) SELECT. This option is correct because the SELECT statement is used to extract data from a database.