Behind every Real4Prep 1Z0-888日本語 question sits a research team that has studied the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) exam for years, classifying the difficulties candidates actually face. In 2026, that experience reaches you as 155 practice questions refined by continuous feedback.
Oracle 1Z0-888日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Performance Optimization | - Query and System Tuning
|
| Topic 2: User Management and Security | - Access Control
|
| Topic 3: Installing and Configuring MySQL | - Setup and Installation
|
| Topic 4: Backup and Recovery | - Data Protection Strategies
|
| Topic 5: Monitoring and Maintaining a Stable System | - Performance and Monitoring
|
| Topic 6: MySQL Server Architecture and Operation | - Core Database Concepts
|
| Topic 7: Replication and High Availability | - Replication Topology
|
Oracle 1Z0-888日本語 Exam Questions — Answered Honestly
The 1Z0-888日本語 exam is how Oracle decides who earns the MySQL Database Administration certification, which sits at the Professional (Oracle Certified Professional) level. It measures practical command of the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) objectives — the skills you'd actually use on the job — which is why it carries weight with employers in a competitive market. It's also part of a wider certification family that includes Oracle Certified Professional, MySQL 5.7 Database Administrator, so the effort you invest here keeps paying off as you advance. Candidates do best when they treat the exam as a skills check, not a memory test.
Oracle organizes the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) syllabus into 7 domains, opening with Replication and High Availability, Installing and Configuring MySQL, and Performance Optimization. Those weightings are a gift: they tell you where the points concentrate, so you can front-load the domains that decide your score. The full breakdown lives in the exam topics section above — build your study plan around it.
Expect 124 questions within 120 minutes on the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) exam. Treat that ratio as a pacing contract: work out your per-question budget now, and during the exam, flag anything that threatens to overrun it and circle back later. Candidates who rehearse this under a real timer — the Real4Prep test engine runs one on every mock exam — consistently finish with time to review instead of guessing through the final questions.
You'll need ≈70% (vendor typical pass rate, subject to official change) to pass the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) exam, and a seat costs USD 125 (approximate Oracle exam fee; check official pricing). Since retakes bill the full fee again, the economics are simple: arrive over-prepared. The reliable method is timed self-testing — run Real4Prep practice exams until your scores sit clearly above the passing mark across several sessions, then register. You're not buying certainty; you're refusing to pay for the same exam twice.
Oracle lists the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) question types as: Multiple Choice. Knowing the list is half the battle; the other half is practicing against each type until its mechanics are boring. For lengthy scenario items, anchor on the actual question sentence before digesting the stem. Real4Prep's 155 practice questions cover these formats, so nothing on your screen in the exam room is a first encounter.
The Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) exam is currently available in English, Japanese. Pick the language where your reading speed is highest — in a timed exam, comprehension pace quietly decides borderline scores. If you're testing in English, Real4Prep's English-language 1Z0-888日本語 practice questions double as drills for the exact terminology Oracle favors.
Passing the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) exam earns you a credential that stays valid for Valid for MySQL 5.7 release exam lifecycle (no fixed expiry). Put the expiry date somewhere you'll see it — renewal is painless when planned and painful when discovered late. Because Oracle owns the recertification policy and revises it from time to time, check the official certification page well before your renewal window opens.
All three versions carry the same 155 expert-researched questions — pick the experience, not the content:
- PDF version — printable and expert-prepared, with instant download access. Study anywhere, anytime, on any device. Includes 365 days of free updates and a free demo.
- Desktop Test Engine — Windows software recreating the real exam environment, with two practice modes, offline access, and no installation limits.
- Online Test Engine — any browser, any device: Windows, Mac, Android, iOS. Tracks your test history and reviews your performance over time.
Working professionals usually settle into a rhythm: PDF sessions on weekdays, timed engine runs on weekends.
Yes — and we encourage it. Real4Prep's free Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) PDF demo shows you genuine sample questions and full verified answers before any payment. Every purchase then includes 365 days of free updates, with renewal afterward at 50% off from your member zone. Judge the material first; that's what the demo is for.
Our research team has tracked the Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) exam for years, and the question bank is revised continuously as Oracle shifts what's tested — not on an annual schedule. Purchases include 365 days of free updates via your member zone, and you can watch for releases through the New Releases section or the Real4Prep newsletter. Re-check 3-4 days before your exam date, and if a product ever expires, repurchasing at 50% off restarts the update flow.
Transactions are protected by McAfee security services end to end. Your personal information is never shared with third parties, the only email you'll receive comes directly from Real4Prep, and you can leave our mailing list with a single request. A fast checkout shouldn't mean a risky one — here, it's both fast and locked down.
Delivery is effectively instant: your Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) practice questions are downloadable immediately and emailed within one minute of payment — if 2 hours go by, check spam and contact support. Installation is unlimited across your computers. If the exam doesn't go your way, the 100% Money Back Guarantee applies: take the corresponding exam within 60 days of purchase, and if you don't pass, submit a scanned enrollment slip and your official Score Report PDF within 2 days after the exam for a full refund processed within 7 days. Exclusions: attempts within 3 days of purchase, exams never actually taken, free items, expired orders — and candidate and payer names must match. Rather stay in the fight? Exchange for two free exam products of equal value and keep your update service running.
What You Get with Real4Prep for Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版)
A preparation system, not just a file. Judge the quality first with the free demo; once you buy, your 1Z0-888日本語 material is in your inbox within one minute of payment (contact support if 2 hours pass), installs on unlimited computers, and stays current through 365 days of free updates. Transactions are protected by McAfee security services, and your personal information is never shared with third parties.
- Update service: 365 days free; expired products repurchase at a 50% discount from your member zone.
- 100% Money Back Guarantee: take the corresponding exam within 60 days of purchase, and if you don't pass, submit your enrollment slip and official Score Report within 2 days after the exam for a full refund processed within 7 days — or exchange for two free products of equal value.
The decision takes minutes and the payoff lasts a career: download the free 1Z0-888日本語 demo today, and let Real4Prep's 155 practice questions carry your Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) preparation from first session to passing score.
Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) Sample Questions:
100個のスキーマとスキーマごとに100個のアクティブユーザーを持つビジーなInnoDBOLTPインスタンスを継承しました。
*合計データセットサイズは200Gで、平均スキーマサイズは2Gです。
*データは一時的なものであり、バックアップされておらず、簡単に再入力できます。
* DBのパフォーマンスと応答性が最も重要です。
* DBインスタンスのクエリパターンは90/10の読み取り/書き込みに分割されます。
* DBホストは、256GRAMと64コアの専用サーバーです。
同僚の1人が最近システムにいくつかの変更を加え、ユーザーは現在、パフォーマンスへの影響について不満を持っています。
DBのパフォーマンスを低下させるために、同僚が実行した可能性のある4つの構成ファイルの編集はどれですか。 (4つ選択してください。)
- A. innodb_flush_method = O_DIRECT
- B. innodb_flush_log_at_trx_commit = 0
- C. max_heap_table_size = 2G
tmp_table_size = 2G - D. innodb_buffer_pool_size = 200G
log_bin = mysql -bin - E. table_open_cache = 64
innodb_buffer_pool_instances = 64 - F. sync_binlog = 10
- G. query_cache_size = 2G
query_cache_enabled = 1 - H. Innodb_flush_log_at_trx_commit = 1
Correct Answer: A,D,E,G 🗳️
汎用MySQLインスタンスは、次のオプションで構成されます。
--slow-query-log
--long-query-time = .0001
--log-queries-not-using-indexes
--log-slow-admin-queries
--general-log
--log-bin
--binlog-format = STATEMENT
--innodb-flush-log-at-trx-commit = 1
ほとんどのワークロードに当てはまる3つのステートメントはどれですか? (3つ選択してください。)
- A. 低速クエリログは、バイナリログよりも多くのデータを記録します。
- B. 一般クエリログは、低速クエリログよりも多くのデータを記録します。
- C. 低速クエリログは、一般クエリログよりも多くのデータを記録します。
- D. バイナリログは、低速クエリログよりも多くのデータを記録します。
- E. 一般クエリログは、バイナリログよりも多くのデータを記録します。
- F. バイナリログは、一般的なクエリログよりも多くのデータを記録します。
Correct Answer: A,B,E 🗳️
MySQLレプリケーションスレーブは次のように設定されています。
*すべてのInnoDBテーブルを使用
* ROWベースのバイナリログを受け取ります
*読み取り専用オプションがあります
レプリケーションスレーブがエラー状態にあります。
MySQLエラーログファイルを確認して、以下のエントリを見つけます。
このエラーが発生する2つの考えられる原因は何ですか。
- A. スレーブユーザにINSERT、UPDATE、またはDELETE権限がないため、Write_rows関数を実行できません。
- B. アプリケーションはSUPER権限を持っているため、行を更新できます。
- C. スレーブ上のrootユーザーがFLUSH LOGSを実行したため、リレーログが二重書きされました。
- D. スレーブはmysqldump -u root -p - スキップロックテーブル-all-databasesで作成されました>
/data/datA.sql - E. UNIQUEキーを持つテーブルの場合、整合性を維持するためにステートメントベースのレプリケーションを使用する必要があります。
Correct Answer: D,E 🗳️
レプリケーションを使用しているため、マスターサーバーのバイナリログファイルが大量のディスク容量を消費します。
古いバイナリログファイルを安全に削除するには、どの2つの手順を実行する必要がありますか?
(2つ選んでください。)
- A. 接続されているスレーブが、削除したいバイナリログを使用していないことを確認してください。
- B. .indexファイルを編集して、削除したいファイルを削除します。
- C. 今日よりも前の変更日を持つすべてのバイナリログファイルを削除します。
- D. PURGE BINARY LOGSコマンドを使用して、バイナリログファイル名または未使用ファイルを削除する日時を指定してください。
- E. PURGE BINARY LOGS NOT USEDコマンドを実行してください。
Correct Answer: A,D 🗳️
Explanation: Only visible for Real4Prep members. You can sign-up / login (it's free).
mysqldumpで作成されたマスターのバックアップからレプリケーションスレーブを作成しました。
アプリケーションユーザーでスレーブにログインしようとしましたが、次のように失敗しました。
ログインはマスターで機能します。
プロセスに2つの変更を加えると、問題を解決できますか?
- A. mysqldumpで-flush-privilegesを使用します。
- B. `mysql 'データベースの2番目のダンプを追加します。 --all-databasesには含まれていません。
- C. 復元後、データベースにログインしてFLUSHPRIVILEGESを実行します。
- D. -grantsオプションを使用して、ダンプにGRANTステートメントを含めます。
Correct Answer: B 🗳️
Viewing page 1 out of 31 pages.
Viewing questions 1-5 out of 155 questions.


