Most Recent Oracle 1Z0-888 Exam Dumps

Prepare for the Oracle MySQL 5.7 Database Administrator exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-888 exam and achieve success.

The questions for 1Z0-888 were last updated on Apr 22, 2026.

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Question No. 1

SQL injection is a common security threat.

Which two methods would help protect against this risk?

Ausing stored procedures to validate values that are input

Busing SQL variables to secure input values

Cusing prepared statements to handle unsecured values

Dinstalling the SQL Protection plugin to catch such attempts

Estarting the server with the ---injection-protection command-line option.
References:

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Correct Answer: A, B

Question No. 2

Which storage option for MySQL data directory typically offers the worst performance in a highly concurrent, OLTP-heavy, IO-bound workload?

Abattery-backed locally-attached RAID 5 array

BiSCSI Lun

CSAN (Fibre Channel) Lun

DNFS (Networked File System) mount

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Correct Answer: A

Question No. 3

You are investigating the performance of a query which selects data from an InnoDB table.

Consider this Performance Schema diagnostics output for the query:

Which statement is true about the output?

AThe time the query took is the sum of all timer_wait values.

BThe query did not find its table in the table definition cache.

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

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

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Correct Answer: B

Question No. 4

You have just created a replication slave from a backup of the master made with mysqldump:

You try to log in to the slave with the application user, but fail as follows:

The login works on the master.

Which two changes to the process can fix the issue?

AAfter the restore, log in to the database and execute FLUSH PRIVILEGES.

BUse the ---flush-privileges with mysqldump.

CAdd a second dump for the 'mysql' database; --all-databases does not include it.

DUse the ---grants option to include GRANT statements in the dump.

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Correct Answer: C

Question No. 5

This output is from a SHOW SLAVE STATUS:

What would cause the SQL_Delay variable to have a value of 360?

AThe master has performed a large transaction, which will take 360 seconds to complete on the slave.

BThe network latency between the master and the slave is 360 milliseconds.

CThe slave will need an estimated 360 seconds to update the remaining contents from the relay log.

DThe slave was configured for delayed replication with a delay of six minutes.
References:

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Correct Answer: D

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