Scenario: A NetScaler Engineer is using the DataStream feature. The NetScaler appliance is located in front of a MySQL Database server in the network topology. The engineer would like to block…

Scenario: A NetScaler Engineer is using the DataStream feature. The NetScaler appliance is located in front of a MySQL Database server in the network topology. The engineer would like to block requests that would drop a database. The engineer comes up with the expression MYSQL.REQ.QUERY.TEXT.CONTAINS("drop database"). The engineer should configure the expression with the ___________ feature to block these requests. (Choose the correct option to complete the sentence.)