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Questions and Answers
What is the role of the PGA_AGGREGATE_TARGET parameter in Oracle?
What is the role of the PGA_AGGREGATE_TARGET parameter in Oracle?
- It defines the total amount of memory allocated to all user processes. (correct)
- It specifies the size of the SGA (System Global Area).
- It determines the size of the PGA (Program Global Area) for each server process.
- It sets the limit for the number of concurrent sessions allowed.
What type of process is responsible for storing specific user information, such as host variables, session variables, cursor status, and sorting information?
What type of process is responsible for storing specific user information, such as host variables, session variables, cursor status, and sorting information?
- Server process (correct)
- Session process
- Background process
- User process
What happens when the number of open sessions exceeds the value of the SESSIONS parameter?
What happens when the number of open sessions exceeds the value of the SESSIONS parameter?
- The database will automatically increase the value of the SESSIONS parameter.
- The database will terminate the oldest session to make room for new sessions.
- The database will allocate more memory to accommodate the additional sessions.
- The database will prevent additional sessions from being opened. (correct)
Which type of process is executed at the client level and facilitates interaction with the server-side database?
Which type of process is executed at the client level and facilitates interaction with the server-side database?
What is the term used to describe the total PGA (Program Global Area) memory allocated to all server processes in Oracle?
What is the term used to describe the total PGA (Program Global Area) memory allocated to all server processes in Oracle?
What information is stored in the PGA (Program Global Area) by the server process?
What information is stored in the PGA (Program Global Area) by the server process?
What is the purpose of the Large Pool parameter in Oracle databases?
What is the purpose of the Large Pool parameter in Oracle databases?
Which memory zone is a private memory area dedicated to users in Oracle databases?
Which memory zone is a private memory area dedicated to users in Oracle databases?
What happens if the sum of manually defined memory zone sizes exceeds SGA_MAX_SIZE in Oracle's manual management?
What happens if the sum of manually defined memory zone sizes exceeds SGA_MAX_SIZE in Oracle's manual management?
Which parameter determines whether the automatic management of SGA is enabled in Oracle databases?
Which parameter determines whether the automatic management of SGA is enabled in Oracle databases?
What is the primary function of the Log Buffer in Oracle's automatic management of SGA?
What is the primary function of the Log Buffer in Oracle's automatic management of SGA?
How does the PGA differ from the SGA in Oracle databases?
How does the PGA differ from the SGA in Oracle databases?
What is the function of the System Global Area (SGA)?
What is the function of the System Global Area (SGA)?
What does the LOCK_SGA parameter do in relation to the System Global Area (SGA)?
What does the LOCK_SGA parameter do in relation to the System Global Area (SGA)?
Which component of the Shared Pool stores information about recently executed SQL queries?
Which component of the Shared Pool stores information about recently executed SQL queries?
What is the primary function of the DB Buffer Cache?
What is the primary function of the DB Buffer Cache?
What happens to the System Global Area (SGA) when an instance starts?
What happens to the System Global Area (SGA) when an instance starts?
How does increasing the size of the System Global Area (SGA) affect server performance?
How does increasing the size of the System Global Area (SGA) affect server performance?
