Relational Database Management System (RDBMS) Question:

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What are the four Oracle system processes that must always be up and running for the database to be useable?

RDBMS Interview Question
RDBMS Interview Question

Answer:

The four Oracle system processes that must always be up and running for the database to be useable include DBWR (Database Writer), LGWR (Log Writer), SMON (System Monitor), and PMON (Process Monitor).

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