IBM 000-703 pdf examination

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6.Given an ODBC/CLI program with a single connection, two threads and the following actions which complete successfully: Thread 1: INSERT INTO mytab VALUES (1) Thread 2: INSERT INTO mytab VALUES (2) Thread 1: COMMIT Thread 2: INSERT INTO mytab VALUES (3) Thread 1: ROLLBACK Thread 2: COMMIT How many records will be inserted and retained in the table MYTAB?

A.0

B.1

C.2

D.3

Correct:C

7.Given the table T1 with the following data:

A.10

B.20

C.30

D.40

Correct:D

8.Using Read Stability isolation level, Application A updates row X and does NOT issue a COMMIT. Using Uncommitted Read isolation level, Application B attempts to read row X. What is the result of Application B's attempt to read row X?

A.Application B will receive a lock timeout error.

B.Application B will wait until Application A completes its unit of work.

C.Application B will receive the version of row X that exists after Application A's update.

D.Application B will receive the version of row X that existed prior to Application A's update.

Correct:C