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單項(xiàng)選擇題

Which background process does Automatic Shared Memory Management use to coordinate the sizing of memory components？（）

A.PMON
B.SMON
C.MMNL
D.MMAN
E.MMON

單項(xiàng)選擇題

You work as a database administrator for Certkiller .com. You received the following error while working on your database：
ORA-01555： snapshot too old
In which situation would you receive such an error？（）

A.You performed rollback after commit.
B.If a log switch occurs in your database.
C.Thearchiverfails to generate an archived log file.
D.Instance recovery fails to find one of the redo log files.
E.A long-running query is unable to get read-consistent image.
F.If you perform manual undo management operations in auto mode.

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你可能感興趣的試題

Which background process does Automatic Shared Memory Management use to coordinate the sizing of memory components？（）

You work as a database administrator for Certkiller .com. You received the following error while working on your database： ORA-01555： snapshot too old In which situation would you receive such an error？（）

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Which background process does Automatic Shared Memory Management use to coordinate the sizing of memory components？（）

You work as a database administrator for Certkiller .com. You received the following error while working on your database：
ORA-01555： snapshot too old
In which situation would you receive such an error？（）