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9 Modules
Which of the following components are part of the PostgreSQL architecture?
Postmaster
Shared Buffers
WAL (Write-Ahead Logging)
Data Warehouse
What is the purpose of the PostgreSQL Write-Ahead Logging (WAL)?
To improve read performance
To ensure data durability
To manage concurrent transactions
To facilitate replication
In PostgreSQL, what is the role of the Shared Buffers?
To store temporary data
To cache frequently accessed data
To manage disk I/O
To hold transaction logs
Which of the following statements about PostgreSQL's process architecture is true?
PostgreSQL uses a multi-threaded architecture.
Each client connection is handled by a separate process.
The background writer process is responsible for writing dirty pages to disk.
The checkpointer process is responsible for managing memory allocation.
What is the purpose of the PostgreSQL configuration parameter 'max_connections'?
To limit the number of concurrent connections to the database
To define the maximum size of the shared buffers
To control the number of background worker processes
To set the maximum number of active transactions
9 Modules