18 Questions
Where is the Private SQL Area located in a Dedicated Server Environment?
Program Global Area
What is the purpose of an extent in Oracle?
An extent is a collection of contiguous disk storage blocks used to store a logical storage object like a table or index
Which component of PGA stores information for a parsed SQL statement and runtime memory allocations?
Runtime Area
What is the function of System Global Area (SGA) in Oracle?
SGA is a memory area that stores information shared by database processes and users of the database
What is the total instance PGA composed of?
Individual PGAs
What is stored in a block in Oracle databases?
Data and control information exclusively for use by an oracle process
Which memory structure in the System Global Area (SGA) is responsible for storing redo log information?
Redo Log Buffer
In which type of environment is the private SQL area located in the System Global Area (SGA)?
Shared Server Environment
What is the purpose of Session Memory in Oracle architecture?
Stores session variables and session information
What does PGA stand for in Oracle databases?
Program Global Area
Which memory area is allocated for sort, hash-join, bitmap merge, and bitmap create operations?
SQL Work Area
Which memory component is responsible for storing data dictionary cache in the System Global Area (SGA)?
Shared Pool
What are the components of the System Global Area (SGA) in an Oracle database?
Shared pool, large pool, database buffer cache, redo log buffer
Which background process in Oracle is responsible for process recovery operations upon instance failure?
PMON
Where does the SQL syntax check take place before a query is moved to the System Global Area (SGA)?
PGA
In Oracle, what will happen if a query is not already cached when it is submitted for execution?
Parsing happens and a new execution plan is created by the optimizer
Which process in Oracle is responsible for coordinating distributed transactions?
RECO
To which memory component does a SQL statement create a CURSOR in Oracle?
Private SQL area
Explore the architecture of Program Global Area (PGA) in Oracle database. Learn about the components of PGA and its role in storing data and control information for each process.
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