Question: Select all statements that correctly describe SQL query processing in a relational DBMS . The deleting phase in query processing occurs after all other phases.

Select all statements that correctly describe SQL query processing in a relational DBMS.
The deleting phase in query processing occurs after all other phases.
The fastest access plan for a query that accesses a table with 1 billion rows is one that uses full table scan.
The amount of RAM available to the DBMS never significantly affects query processing speed.
Query processing involves three phases -- parsing, execution, and fetching.

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