Archived redo log file A copy of a redo log file before it is overwritten by new redo information.
is the archiver process that copies the content of redo logs to archive redo log files.
ARCn The archiver process can have multiple processes, which allow the archiver to write
to various destinations such as D: drive, E drive or other storage.
Refers to the data that is sampled at specified intervals from the current state of all
ASH (Active Session History)
active sessions.
ASM (Automatic Storage Management) Designed to relieve the burden of disk and storage management and relies on
storage Oracle to maintain the database storage.
A script that performs the upgrade in parallel, making use of the CPU resources
catctl.pl
available.
is the checkpoint process. In Oracle, data that is on disk is called block and the data
which in memory is called buffer. When a block is written to the buffer and changed,
the buffer becomes dirty, and it needs to be written down to the disk. This process
CKPT
updates the control and data file headers with checkpoint information and signals
writing of dirty buffers to disk. Note that Oracle 12c allows both full and incremental
checkpoints.
Used to group user sessions together so that the different groups can be assigned
Consumer groups
different processing requirements.
Contain locations of other physical files, database name, database block size,
Control files database character set, and recovery information. These files are required to open
the database.
corresponds to a number of bytes on the disk. Oracle stores data in these. These are
Data Block
also referred to as logical blocks, Oracle blocks or pages.
Data dictionary views Provide information about the database and its objects.
Physical files that actually store the data that has been inserted into each table in the
Data files
database.
WGU D192
1/4
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Denyss. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.