<ul><li>Context switching refers to the process of switching between the SQL and PL/SQL engines in Oracle databases.</li><li>When executing SQL queries, if a query calls a PL/SQL function, control switches from the SQL engine to the PL/SQL engine and back once the function completes.</li><li>Context switching can introduce overhead and impact performance, especially if the function is called repeatedly in a query processing many rows.</li><li>To minimize the impact of context switching, consider using inline functions, reducing the number of function calls, and utilizing techniques like Pipelined Table Functions or bulk processing.</li></ul>

Context Switching in PLSQL

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Context Switching in PLSQL

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