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Snowflake COF-C03日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Account Objects | 8% | - Warehouses, databases, and schemas hierarchy - Organizations and accounts structure - Resource monitors |
| Databases, Tables & Views | 18% | - Data manipulation (DML operations) - Clustering and micro-partitions - Stored procedures and UDFs - Views (standard, materialized, secure) - Table types (permanent, transient, temporary) - Column types and sequences |
| Time Travel & Cloning | 10% | - Zero-copy cloning - Fail-safe concepts - UNDROP and historical data access - Time travel concepts and retention |
| Semi-Structured Data | 10% | - Parsing and flattening semi-structured data - Array and object operations - VARIANT data type |
| Security & Access Control | 10% | - Authorization (roles, privileges) - Governance best practices - Authentication (SSO, MFA) - Masking policies - Row-level and column-level security |
| Virtual Warehouses | 15% | - Warehouse monitoring and troubleshooting - Warehouse sizing and scaling - Cache concepts (warehouse, result, metadata) - Multi-cluster warehouses - Warehouse creation and configuration |
| Data Loading & Unloading | 15% | - Data unloading and staging - Data ingestion best practices - Bulk loading with COPY command - Continuous loading with Snowpipe - File formats (JSON, CSV, Parquet, AVRO) |
| Performance Optimization & Monitoring | 4% | - Query profiling and performance tuning - Query history and monitoring - Resource optimization techniques |
| Data Sharing | 12% | - Reader account management - Private sharing vs. Data Exchange - Data listing marketplace - Shares and reader accounts |
| Cloud Platform Overview & Snowflake Key Concepts | 8% | - Virtual warehouse concepts and credit usage - Snowflake editions and features - Snowflake architecture layers (storage, compute, services) |
Snowflake SnowPro® Core Certification (COF-C03日本語版) Sample Questions:
1. データ交換管理者は、ユーザーにデータ交換へのアカウントアクセス権をどのように付与できますか？
A) インポート共有権限を有効にし、この権限をユーザーに付与します。
B) ユーザーをデータ交換に追加します。
C) ユーザーにUSERADMINロールを付与します。
D) データ交換用の新しいデータベースを作成し、ユーザーにアクセス権を付与します。
2. Snowflakeのどのメカニズムが、クエリによってスキャンされるマイクロパーティションの数を制限するために使用されますか？
A) キャッシュ
B) 検索最適化
C) クラスターの深さ
D) クエリ剪定
3. クエリ実行時にデータ漏洩が発生する可能性が高い状況はどのようなものですか？
A) クエリの実行中に仮想ウェアハウスのメモリが不足した場合。
B) クエリ数が max_concurrency_level パラメータ設定値を超えた場合。
C) statement_timecut_in_seccnds パラメータ設定を超えるクエリを実行した場合。
D) クエリに複数のフィルタが含まれており、データが返されない場合。
4. SnowpipeのRESTエンドポイントはどのような認証方式を使用していますか？
A) ユーザー名とパスワード
B) シングルサインオン (SSO)
C) キーベース
D) OAuth
5. 非構造化データに使用できるREST APIはどれですか？
A) loadHistoryScan
B) inscrtFilcs
C) レポートを挿入
D) GET /api/tiles/
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: D |
