What is server process in Oracle?

Oracle Database creates server processes to handle the requests of user processes connected to an instance. A server process can be either of the following: A dedicated server process, which services only one user process. A shared server process, which can service multiple user processes.

What is Oracle Smon?

SMON (System MONitor) is an Oracle background process created when you start a database instance. The SMON process performs instance recovery, cleans up after dirty shutdowns and coalesces adjacent free extents into larger free extents. SMON wakes up every 5 minutes to perform housekeeping activities.

What is Ckpt process in Oracle?

CKPT (Oracle Checkpoint Process) is an Oracle background process that timestamps all datafiles and control files to indicate that a checkpoint has occurred. The “DBWR checkpoints” statistic (v$sysstat) indicates the number of checkpoint requests completed.

What is Oracle background process?

The background processes of the Oracle instance manage memory structures, asynchronously perform I/O to write data to a file on a disk, and perform general maintenance tasks. The database writer writes modified blocks from the database buffer cache to the files on a disk.

What is server process?

A server process (program) fulfills the client request by performing the task requested. Server programs generally receive requests from client programs, execute database retrieval and updates, manage data integrity and dispatch responses to client requests.

What is difference between user process and server process?

Server processes negotiate the actions of the users. User processes commonly work outside the database server itself to run the application that accesses the database.

What is a server process?

What is the difference between Smon and Pmon processes?

PMON and SMON are two required background processes. PMON is the Process Monitor which is responsible for recovering processes when the user process fails. PMON does the process cleanup. SMON is the System Monitor which is responsible for recovering the system after a failure.

Is server a process?

Strictly speaking, the term server refers to a computer program or process (running program). Through metonymy, it refers to a device used for (or a device dedicated to) running one or several server programs. On a network, such a device is called a host.