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Oracle

1Z0-054 · Question #55

1Z0-054 Question #55: Real Exam Question with Answer & Explanation

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Question

Examine the output of the following query: SQL> SELECT c.name,a.addr,a.gets,a.misses,a.sleeps, 2 a.immediate_gets,a.immediate_misses,b.pid 3 FROM v$latch a, v$latchholder b, v$latchname c 4 WHERE a.addr = b.laddr(+) and a.latch# = c.latch# 5 AND c.name LIKE '&latch_name%' ORDER BY a.latch#; LATCH NAME ADDR GETS MISSES SLEEPS IMMEDIATE_GETS IMMEDIATE_MISSES ---- -------- -------- -------- ------- ------ -------------- shared pool 20016544 8520540 14112 3137 0 0 You calculated the Gets-to-Misses ratio, which is .99834, and this ratio is dropping over a period of time. Which two actions can improve this? (Choose two.)

Options

  • Areducing hard parses
  • Bincreasing the size of the shared pool
  • Cusing only dedicated server connections
  • Dsetting the CURSOR_SHARING parameter to EXACT
  • Eencouraging the use of more literal SQL statements

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