Exam Name: MySQL 5.7 Database Administrator (1Z0-888日本語版)
Certification Provider: Oracle
Corresponding Certification: MySQL Database Administration
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Oracle 1Z0-888日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | MySQL 5.7 Database Administrator |
| Exam Number: | 1Z0-888 |
| Related Certifications: | Oracle Certified Professional, MySQL 8.0 Database Administrator (1Z0-908) |
| Exam Duration: | 120 minutes |
| Exam Format: | Single-choice multiple-choice, Multiple-response multiple-choice |
| Certificate Validity Period: | Lifetime (no expiration) |
| Passing Score: | 58% |
| Exam Price: | USD $245 |
| Available Languages: | Japanese, English, Simplified Chinese |
| Real Exam Qty: | 75 |
| Recommended Training: | MySQL 5.7 Reference Manual MySQL 5.7 Database Administrator Training |
| Exam Registration: | Pearson VUE Registration Oracle University Exam Page |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | In-person at Pearson VUE test centers or online proctored exam |
| Pre Condition: | No mandatory prerequisite exams; recommended 6-12 months hands-on experience with MySQL 5.7 |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&p_exam_id=1Z0_888 |
Oracle 1Z0-888日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Replication and High Availability | 15% | - Understand replication architecture and components - Troubleshoot replication errors and conflicts - Monitor replication status and health - Configure and manage replication topologies |
| Topic 2: Performance and Query Optimization | 15% | - Identify and analyze slow queries - Optimize server configuration and memory usage - Index design, statistics, and maintenance - Use EXPLAIN and query execution plans |
| Topic 3: Monitoring and Maintaining System Stability | 15% | - InnoDB crash recovery and maintenance - Capacity planning and server stability - Monitor using logs, status variables, and Performance Schema - Troubleshoot slowdowns and server issues |
| Topic 4: Backup and Recovery | 15% | - Validate and restore backups - Perform point-in-time recovery - Design backup strategies - Use mysqldump, raw backups, and binary logs |
| Topic 5: MySQL Architecture and General Administration | 15% | - Understand storage engines, tablespaces, redo/undo logs - Install and configure MySQL Server - Understand MySQL architecture and request processing - Manage system variables and configuration files |
| Topic 6: MySQL Security | 15% | - Network and operating system security - Prevent SQL injection and harden configuration - Identify security vulnerabilities and risks - Encryption and secure connections |
| Topic 7: User and Access Management | 10% | - Authentication plugins and password policies - Understand MySQL privilege system - Grant/revoke privileges and reset root password - Create, modify, and delete user accounts |
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- MySQL Architecture and General Administration (15%)
- MySQL Security (15%)
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No mandatory prerequisite exams; recommended 6-12 months hands-on experience with MySQL 5.7
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Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) Sample Questions:
mysqldumpslowユーティリティを使用して、低速クエリログの内容を表示しています。
出力の多くの場所に文字Nと文字列 `S 'があります。
Nは何を示していますか？
- A. WHERE句で示される数値の抽象化された置換
- B. ステートメントが実行された回数
- C. ステートメントを発行するユーザーの名前
- D. ステートメント内のNULLの略語
Correct Answer: B 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
MySQLサーバがどのようにメモリを割り当てるかを説明する2つのオプションはどれですか？
- A. スレッドメモリはパフォーマンスのためにthread_cache_sizeまで事前に割り当てられています。
- B. サーバ起動時にグローバルメモリリソースが割り当てられます。
- C. 各接続は独自のスレッドごとのメモリー割り当てを持つことができます。
- D. 各スレッドはグローバルプールからメモリを割り当てます。
Correct Answer: B,C 🗳️
rootパスワードの認証情報が機能していないため、既存のMySQLサーバーにログインすることはできません。さまざまな管理作業を完了するには、rootパスワードをリセットする必要があります。
これを達成する2つの主要な方法は何ですか？
- A. --skip-grant-tablesを指定してMySQLサーバーを起動し、SQLを実行してrootパスワードを更新します。
- B. my.cnfのreset-root-passwordでMySQLサーバーを起動します。これにより、新しいrootユーザーのパスワードを入力するように求められます。
- C. --safe-modeでMySQLサーバーを起動します。データにアクセスできないため、変更のためだけに特権システムをロードします。
- D. コマンドラインでパスワードのリセット手順を強制するには、-initialize-insecureを指定してMySQLサーバーを起動します。
- E. rootユーザーのパスワードを変更するためにALTER USERステートメントを実行するSQLを指す--init-fileを指定してMySQLサーバーを起動します。
Correct Answer: A,E 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
アカウントにPROCESS権限を付与するときに、なぜ選択する必要があるのですか？
- A. ストアドルーチンの使用を許可します。
- B. クライアントは、SHOW PROCESSLISTコマンドで別のユーザーのクエリを見ることができます。
- C. クライアントがスクリプトを処理できるようにします。
- D. クライアントがサーバー上で実行中のプロセスを制御できるようにします。
Correct Answer: D 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
考慮してください：
タイプ列の範囲値はどういう意味ですか？
- A. テーブルは特定の範囲の値でスキャンされます。
- B. インデックスを使用して、値の範囲内にある行を返すことができます。
- C. 使用できるインデックスの範囲があります。
- D. このタイプのインデックスは範囲ハッシュを使用します。
Correct Answer: D 🗳️
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