QUESTION: 21

What type of function is created using the following command? CREATE FUNCTION TAN (X DOUBLE)
RETURNS DOUBLE
LANGUAGE SQL
CONTAINS SQL
NO EXTERNAL ACTION
DETERMINISTIC
RETURN SIN(X)/COS(X)

Row
Table
Scalar
External

Answer(s): C

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QUESTION: 22

What of the following is TRUE about triggers?

Triggers are activated by INSERT, UPDATE, DELETE and SELECT statements
Triggers can be used to perform data manipulation operations against complex views
Triggers can only be used to execute logic before or after appropriate SQL statements
Only one trigger for a particular event and activation time can be created for a particular table

Answer(s): A

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QUESTION: 23

What is the purpose of a role?

To define exactly what a specific user can and cannot do within a particular database once they have been authenticated
To group a collection of users together so that they can be simultaneously granted and revoked specific authorities and privileges
To group a collection of privileges together so that they can be simultaneously granted to and revoked from multiple users, groups, or other roles
To assign one or more users that need to run local DB2 applications and tools on a particular server to the DB2ADMNS or the DB2USERS group

Answer(s): A

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