AuserissuesaSELECTcommandagainsttheOracledatabase.WhichofthefollowingchoicesdescribesastepthatOraclewillexecuteinsupportofthisstatement?（）A.Acquire locks on table queried B.Generate redo for statement C.Fetch data from disk into memory D.Write changes to disk

单项选择题

A user issues a SELECT command against the Oracle database. Which of the following choices describes a step that Oracle will execute in support of this statement?（）

A.Acquire locks on table queried
B.Generate redo for statement
C.Fetch data from disk into memory
D.Write changes to disk

1Z0-031