Stored Procedures are used to execute N number of times, update multiple tables at the same time and perform faster than a normal query since the communication from PL SQL Engine to SQL engine can be made faster by using collections. On the other hand, a normal query is just run once and update only one table at a time.
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A stored procedure would be faster becacause the step of parsing the SQL is not required for Procedures, because, it will already be parased and kept in the server
- Anon April 27, 2012