A.The system keeps a copy of changes in memory and can cause an out-of-memory event.

B.The snapshot size will continue to grow as changes to the volume are made.

C.The snapshots take a significant amount of disk space because they are a duplicate copy of the data.

D.The system can only support one snapshot per volume, and you need to remove it to be able to take your next backup.

A.The event with event_id = 8945 is a child of the event with event_id=8944.

B.The time the query took is the sum of all timer_wait values.

C.The query did not find its table in the table definition cache.

D.The query read data from the data file rather than directly from the buffer pool.

A.the PERFORMANCE_SCHEMAtables

B.the SHOW PROCESSLISTcommand

C.the INNODBLock Monitor details

D.the SHOW STATUScommand

E.the INFORMATION_SCHEMAtables

A.rpl-recovery-rank

B.master-logging

C.log_bin

D.enable-master-start

E.log-master-updates

F.server-id

A.It shows how many columns in the index are examined.

B.It shows the number of characters indexed in the key.

C.It shows the total size of the index row.

D.It shows how many bytes will be used from each index row.