Oracle Memory Management Question:
Download Job Interview Questions and Answers PDF
What is hit ratio?
Answer:
Hit Ratio is the ratio of shared SQL and PL/SQL items found in the Library Cache versus physical storage.It can also be defined in a mathematical expression as 1 - ((physical reads) / (db block gets + consistent reads)).
Download Memory Management Interview Questions And Answers
PDF
| Previous Question | Next Question |
| What is a rollback segment entry? | What are disadvantages of having raw devices? |