Oracle MySQL 5.7 Database Administrator : 1Z0-888 valid dump

1Z0-888
  • Exam Code: 1Z0-888
  • Exam Name: MySQL 5.7 Database Administrator
  • Updated: Oct 08, 2026
  • Q & A: 155 Questions and Answers

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About Oracle 1Z0-888Latest exam Dumps

Employers do not just prefer Oracle certifications; they build job requirements around them. The Oracle MySQL 5.7 Database Administrator exam is how you claim one, and the 155 practice questions at Actual4Dumps keep every study hour aimed at the passing line.

Oracle 1Z0-888 Exam Syllabus Topics:

SectionObjectives
Monitoring and Maintaining a Stable System- Performance and Monitoring
  • 1. Capacity Planning and Troubleshooting
  • 2. Monitor with Logs, Status Variables and Performance Schema
  • 3. Identify Slow Queries and System Slowdowns
User Management and Security- Access Control
  • 1. MySQL Privilege System
  • 2. Network and OS Security Considerations
  • 3. Authentication Plugins and Password Policies
  • 4. Create and Modify User Accounts
Backup and Recovery- Data Protection Strategies
  • 1. Understand Backup Methods
  • 2. Use MySQL Backup Tools
  • 3. Binary Logs and Point-in-Time Recovery
Installing and Configuring MySQL- Setup and Installation
  • 1. Initial Configuration and Option Files
  • 2. Identify Installed Files and Directories
  • 3. Start and Stop MySQL
  • 4. Install MySQL Server and Clients
Replication and High Availability- Replication Topology
  • 1. Troubleshoot Replication Scenarios
  • 2. Monitor Replication Threads
  • 3. Explain Replication and Configure Replication
Performance Optimization- Query and System Tuning
  • 1. Optimize Memory and System Variables
  • 2. Use EXPLAIN and Work with Indexes
  • 3. Leverage Index Statistics
MySQL Server Architecture and Operation- Core Database Concepts
  • 1. Use of System Variables
  • 2. How MySQL Stores Data (InnoDB, Tablespaces)
  • 3. How MySQL Processes Requests

Questions Candidates Ask About Oracle MySQL 5.7 Database Administrator

Oracle MySQL 5.7 Database Administrator is an official Oracle certification exam, listed under the code 1Z0-888. Clearing it earns the MySQL Database Administration certification, a Professional (Oracle Certified Professional)-level credential. It also ties into Oracle Certified Professional, MySQL 5.7 Database Administrator, which makes it a useful anchor for a longer certification plan. For employers, the value is simple: the vendor itself has verified what you know.

You will work through 124 questions in 120 minutes on the Oracle MySQL 5.7 Database Administrator exam. The content is only half the battle; the clock is the other half. Train both at once: set the Actual4Dumps test engine to full timed mode, practice skipping and returning to stubborn items, and repeat until finishing with minutes to spare feels normal rather than lucky.

Passing Oracle MySQL 5.7 Database Administrator requires ≈70% (vendor typical pass rate, subject to official change), and the official registration fee is USD 125 (approximate Oracle exam fee; check official pricing). Remember that a retake bills the same USD 125 (approximate Oracle exam fee; check official pricing) all over again, so winging it is the most expensive strategy on the table. A better approach: benchmark yourself with the Actual4Dumps practice tests first, and schedule the real exam only once your scores sit comfortably and consistently above the requirement.

No formal prerequisite exam required; hands-on MySQL experience recommended.

Requirements do evolve, so before you spend a registration fee, verify the current conditions on the official exam page.

Yes. The free demo on this page contains a portion of the complete Oracle MySQL 5.7 Database Administrator question set, enough to judge the accuracy and the clarity of the explanations for yourself. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.

Actual4Dumps provides a 100% money-back guarantee with clearly stated conditions. Take the Oracle MySQL 5.7 Database Administrator exam within 60 days of purchase; if you fail, you may claim a full refund, as long as the exam matches your product. Exams taken within 3 days of purchase are not eligible, and neither are products that were downloaded but never used, free materials, or expired orders; the candidate name must match the payer name. File the claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is processed within 7 days. If you would rather exchange than refund, you can receive two other exam products of equal value free of charge and keep the update service on your original purchase.

Delivery is immediate: your purchase is downloadable right away and automatically emailed to you within one minute of successful payment. If nothing arrives within 2 hours, check your spam folder and contact customer service. You may install the software on as many computers as you wish.

The official Oracle MySQL 5.7 Database Administrator syllabus comprises 7 domains. The heaviest hitters are User Management and Security, MySQL Server Architecture and Operation, and Performance Optimization. The complete outline sits above on this page; walk it top to bottom and mark every line you could not teach to someone else.

Oracle MySQL 5.7 Database Administrator Sample Questions:

Question #1

There are multiple instances of MySQL Server running on a single OS that is backed up using the mysqlbackup command.
The /etc/my/cnf contains default values, for example, datadir=/var/lib/mysql/, with extra instances having their own separate my.cnf file (for example /etc/mysql/instanceN.cnf) overriding the defaults. A restore of the second instance is attempted from the mysqlbackup archive using this command:
mysqlbackup --backup-dir=/opt/backup/mysql/instance2 copy-back
Upon starting the second MySQL instance, you notice that the data does not match the expected backup.
Which command-line option is required to successfully update the second instance?

  • A. --defaults-file=/etc/mysql/instance2.cnf
  • B. --backup-instance=/var/lib/mysql/instance2
  • C. --restore=2
  • D. --instance=/var/lib/mysql/instance2
  • E. --copy-back-from-log
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

Consider the index information for the dept_emp table in the employee's schema:

Which two conclusions can be made based on the output of the query?

  • A. There are three indexes on the table.
  • B. The secondary indexes are optimized for unique key look-ups.
  • C. There is a redundant index on the emp_no column.
  • D. The selectivity of the dept_no column is the best of the indexed columns.
  • E. The values on the emp_no column must be unique.
  • F. There is a redundant index on the dept_no column.
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #3

old_alter_table is disabled as shown.
mysql> SELECT @@old_alter_table;

Consider this statement on a RANGE-partitioned table:
mysql> ALTER TABLE orders DROP PARTITION p1, p3;
What is the outcome of executing this statement?

  • A. All data in p1 and p3 partitions is removed, but the table definition remains unchanged.
  • B. Only the first partition (p1) will be dropped because only one partition can be dropped at any time.
  • C. All data in p1 and p3 partitions is removed and the table definition is changed.
  • D. It results in a syntax error because you cannot specify more than one partition in the same statement.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

You have a consistent InnoDB backup created with mysqldump, the largest table is 50 GB in size.
You start to restore your backup with this command;
shell> mysql -u root -p < backup.sql
After 30 minutes, you notice that the rate of restore seems to have slowed down. No other processes or external factors are affecting server performance.
Which is the most likely explanation for this slowdown?

  • A. Secondary indexes no longer fit into the buffer pool.
  • B. The MySQL server is taking a periodical snapshot of data so it can resume the restore if it is interrupted mid-way.
  • C. InnoDB has filled the redo log and now must flush the pages.
  • D. The MySQL server has stopped inserting data to check index consistency.
  • E. InnoDB is doing CRC32 checks over the tablespace data as it grows.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

Why should you be selective when granting the PROCESS privilege to an account?

  • A. It allows a client to see another user's queries with the SHOW PROCESSLIST command.
  • B. It allows a client to control running processes on a server.
  • C. It allows a client to process scripts.
  • D. It allows the use of stored routines.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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