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Oracle 1z0-888 Exam With Confidence Using Practice Dumps

Exam Code:
1z0-888
Exam Name:
MySQL 5.7 Database Administrator
Certification:
MySQL Database Administration
Vendor:
Oracle
Questions:
124
Last Updated:
Jul 13, 2025
Exam Status:
Stable
Oracle 1z0-888

1z0-888: MySQL Database Administration Exam 2025 Study Guide Pdf and Test Engine

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MySQL 5.7 Database Administrator Questions and Answers

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Question 1

You are investigating the performance of the server and see this information:

  • events_waits_summary_global_by_event_name in the Performance Schema shows that the wait/synch/mutex/sql/LOCK_table_cache event is dominating other wait events.
  • The Table_open_cache_overflows status variable is 0.

Which action should be taken to remove the performance bottleneck described here?

Options:

A.

Increase the value of table_open_cache_instances.

B.

Decrease the value of table_definition_cache.

C.

Decrease the value of table_open_cache.

D.

Increase the value of table_definition_cache.

E.

Increase the value of table_open_cache.

F.

Decrease the value of table_open_cache instances.

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Question 2

A MySQL instance has this configuration values set:

A transaction involving a single InnoDB INSERT statement commits.

Which list of locations is in the sequence of disk writes for this transaction?

Options:

A.

binary log, redo log, doublewrite buffer, and tablespace

B.

redo log, binary log, doublewrite buffer, and tablespace

C.

doublewrite buffer, redo log, tablespace, and binary log

D.

redo log, doublewrite buffer, tablespace, and binary log

Question 3

Which two statements are true regarding the creating of new MySQL physical and logical backups? (Choose two.)

Options:

A.

Physical backups can be used to recover from data corruption.

B.

Logical backups are human-readable whereas physical backups are not.

C.

Logical backups are always larger than physical backups.

D.

Physical backups are usually slower than text backups.

E.

Physical backups are usually faster than text backups.

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