Oracle
1Z0-054 · Question #210
1Z0-054 Question #210: Real Exam Question with Answer & Explanation
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Question
You notice that two wait events, Latch:cache buffer chains and Latch:cache buffer LRU chains, appear consistently in the Top 5 Timed Events for your database. Which two options describe what these wait events indicate? (Choose two.)
Options
- ALatch:cache buffer LRU chains - indicates excessive block replacement
- BLatch:cache buffer LRU chains - indicates insufficient size of application cursor cache
- CLatch:cache buffer chains - indicates inefficient SQL that accesses many blocks repeatedly
- DLatch:cache buffer chains - indicates that there are several sessions waiting for a buffer that is
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