Examine the following information from the AWR report: Top 5 Timed Events ~~~~~~~~~~~~~~~~~~ % Total Event Waits Time (s) Call Time ————————————– ———— ———– ——— CPU time 559 88.80 log file parallel write 2,181 28 4.42 SQL*Net more data from client 516,611 27 4.24 db file parallel write 13,383 13 2.04 db file sequential read 563 2 .27 Which could cause waits on the db file sequential read event?
A. too many full table scans
B. too large a database buffer cache
C. too many waits occurring while reading multiple blocks synchronously
D. too many index range scans occurring which refers to blocks not in the database buffer cache
Answer:D
Examine the following information from the AWR report: Top 5 Timed Events ~~~~~~~~~~~~~~~~~~ % Total Event Waits Time (s) Call Time ————————————– ———— ———– ——— CPU time 559 88.80 log file parallel write 2,181 28 4.42 SQL*Net more data from client 516,611 27 4.24 db file parallel write 13,383 13 2.04 db file sequential read 563 2 .27 Which could cause waits on the db file sequential read event?
A. too many full table scans B. too large a database buffer cache C. too many waits occurring while reading multiple blocks synchronously D. too many index range scans occurring which refers to blocks not in the database buffer cache