Tag: 1Z0-042

Posted on

OCA 1Z0-042 Short Notes: Exam passing tips

Oracle architecture

  • The size of the shared pool can be changed dynamically. The data dictionary cache of the shared pool holds the most recently accessed data dictionary information. The shared pool consists of a library cache and data dictionary cache.
  • Control file, redo log file, and data file are part of an Oracle database.
  • An SGA and Oracle background processes constitute an Oracle instance. An SGA is ended when an Oracle instance is shut down. Multiple users can share data in an SGA.
  • While making modifications in SPFILE, the instance should be in open and running state, whereas in the case of PFILE, the instance will have to be first shut down and restarted before making any modifications in it.
  • V is a dynamic performance view that is used to display the names and the location of all the control files.
  • Following is the correct sequence of the processes that occur when a database is opened:
    1. An initialization parameter file is read.

      2. Continue reading “OCA 1Z0-042 Short Notes: Exam passing tips”

Posted on

Everything you want to know about the 1Z0-042 test

Q. What is the pre-requisite for taking the 1z0-042 test?

A. There is no prerequisite for the 1z0-042 test. The 1z0-042 (OCA) is the first step in the Oracle Database 10g certification track and also the first step towards a successful career as an Oracle professional. However, you must be well experienced with the SQL before you take the test. Even if you are new to the Oracle field, you can still pass the test with self-study or self-schooling. This will require a lot of dedication and practice, managing a database and newly added features in 10g.

Q. How can I register for the test?

Continue reading “Everything you want to know about the 1Z0-042 test”