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System-Architecture
Why oracle is called kernel packagecomponents of oracle tablesql system variables local and global variables
Why oracle is called kernel packagecomponents of oracle tablesql system variables local and global variables '
When Does DBWR write to the database ?
When Does DBWR write to the database ? DBWR writes when more data needs to be read into the SGA and too few database buffers are free. The least recently...
When does LGWR write to the database ?
When does LGWR write to the database ? LGWR writes redo log entries into an on-line redo log file when transactions commit and the...
What are the different Oracle Kernel Layers
What are the different Oracle Kernel Layers '
What is User Process ?
What is User Process ? A user process is created and maintained to execute the software code of an application program. It is a shadow process created automatically...
What is the maximum number of Lock Processes used ?
What is the maximum number of Lock Processes used ? Though a single LCK process is sufficient for most Parallel Server systemsupto Ten Locks (LCK0,....LCK9) are used for inter-instance locking.'
What is the function of ARCH ?
What is the function of ARCH ? Archiver (ARCH) copies the on-line redo log files to archival storage when they are full. ARCH is active only when a database's redo log is used...
What is the function of checkpoint (CKPT)?
What is the function of checkpoint (CKPT)? The Checkpoint (CKPT) process is responsible for signaling DBWR at checkpoints and updating all the data files and...
What is the function of Dispatcher (Dnnn) ?
What is the function of Dispatcher (Dnnn) ? Dispatcher (Dnnn) process is responsible for routing requests from connected user processes to available...
What is the function of Lock (LCKn) Process ?
What is the function of Lock (LCKn) Process ? Lock (LCKn) are used for inter-instance locking when the ORACLE Parallel Server option is used.'
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