C2090-320

C2090-320 practice questions, page 2 of 3, with answer review and explanations.

Question 6

Which of the following is NOT TRUE?

  1. An index can be created on XML columns
  2. Length must be specified for an XML column
  3. XML columns can be added to existing tables
  4. Triggers can be created on tables with XML columns

Question 7

Given the following CREATE TABLE statement, and a unique index on column EMPID, which set of SQL statements is valid? A. B. C. D.

Question 8

The DB2 subsystem DSN has been correctly configured to access a remote DB2 location MYREMOTE. Which of the following processes can be used on subsystem DSN to access MYUSER.EMP table at MYREMOTE location?

  1. SELECT * FROM MYUSER.EMP;
  2. CONNECT TO MYREMOTE; SELECT * FROM MYUSER.EMP;
  3. SELECT * FROM MYUSER.MYREMOTE.EMP;
  4. CREATE ALIAS EMP_ALIAS FOR LOCATION.MYREMOTE.MYUSER.EMP; SELECT * FROM MYUSER.EMP_ALIAS;

Question 9

Which of the following elements is affected by a ROLLBACK statement?

  1. LOB table spaces
  2. Changes in cursor positioning
  3. Acquisition and release of locks
  4. Caching of rolled back statements

Question 10

Which statement is TRUE regarding ROLLBACK processing?

  1. It only reads active logs
  2. It always needs archive logs
  3. It can never be processed just from memory
  4. It uses output buffers, active and archive logs