Free C2090-320 Exam Braindumps (page: 6)

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You want to reduce lock contention that results from uncommitted insert and delete operations by enabling transactions that read data to access only the currently committed data rather than waiting for the uncommitted changes to be resolved. How can you accomplish this?

  1. Bind your application with ISOLATION(UR)
  2. Bind your application with ISOLATION(CS)
  3. Bind your application with CONCURRENTACCESSRESOLUTION (WAITFOROUTCOME)
  4. Bind your application with CONCURRENTACCESSRESOLUTION (USECURRENTLYCOMMITTED)

Answer(s): D


Reference:

https://www.ibm.com/support/knowledgecenter/en/SSEPEK_11.0.0/perf/src/tpc/ db2z_accesscommitteddata.html



Given the following CREATE VIEW statement and sample data; your login id is “ROGER”.
What will be the result for this query?

  1. 6
  2. 5
  3. 4
  4. 2

Answer(s): C



Assume DELETE triggers exist on the employee table. Which of the following statements will delete all the rows in the employee table and ignore any DELETE triggers?

  1. TRUNCATE employee;
  2. DELETE FROM employee;
  3. DELETE FROM employee WHERE…;
  4. TRUNCATE employee RESTRICT WHEN DELETE TRIGGERS;

Answer(s): B


Reference:

https://www.ibm.com/support/knowledgecenter/en/SSEPEK_10.0.0/sqlref/src/tpc/ db2z_sql_delete.html



Which of the following is a characteristic of a stand-alone utility?

  1. It can only be executed using JCL
  2. It can only be executed by a user with SYSADM
  3. It can only be executed if no other utilities are running
  4. It can only be executed in a non-data sharing environment

Answer(s): A


Reference:

https://www.ibm.com/support/knowledgecenter/en/SSEPEK_11.0.0/ugref/src/tpc/ db2z_invokestandaloneutl.html






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