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Snowflake COF-C03日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Performance Optimization & Monitoring | 4% | - Query profiling and performance tuning - Resource optimization techniques - Query history and monitoring |
| Topic 2: Virtual Warehouses | 15% | - Cache concepts (warehouse, result, metadata) - Multi-cluster warehouses - Warehouse monitoring and troubleshooting - Warehouse creation and configuration - Warehouse sizing and scaling |
| Topic 3: Account Objects | 8% | - Resource monitors - Organizations and accounts structure - Warehouses, databases, and schemas hierarchy |
| Topic 4: Security & Access Control | 10% | - Authentication (SSO, MFA) - Governance best practices - Authorization (roles, privileges) - Row-level and column-level security - Masking policies |
| Topic 5: Semi-Structured Data | 10% | - Array and object operations - VARIANT data type - Parsing and flattening semi-structured data |
| Topic 6: Databases, Tables & Views | 18% | - Table types (permanent, transient, temporary) - Data manipulation (DML operations) - Stored procedures and UDFs - Column types and sequences - Clustering and micro-partitions - Views (standard, materialized, secure) |
| Topic 7: Time Travel & Cloning | 10% | - Zero-copy cloning - UNDROP and historical data access - Time travel concepts and retention - Fail-safe concepts |
| Topic 8: Data Loading & Unloading | 15% | - Continuous loading with Snowpipe - Bulk loading with COPY command - Data ingestion best practices - File formats (JSON, CSV, Parquet, AVRO) - Data unloading and staging |
| Topic 9: Cloud Platform Overview & Snowflake Key Concepts | 8% | - Virtual warehouse concepts and credit usage - Snowflake architecture layers (storage, compute, services) - Snowflake editions and features |
| Topic 10: Data Sharing | 12% | - Data listing marketplace - Shares and reader accounts - Reader account management - Private sharing vs. Data Exchange |
Snowflake SnowPro® Core Certification (COF-C03日本語版) Sample Questions:
1. テーブルに対して行われたデータ操作言語(DML)の変更を記録するために、変更データキャプチャ(CDC)を使用するオブジェクトまたはサービスは何ですか？
A) イベントテーブル
B) スノーパイプ
C) ストリーム
D) タスク
2. Snowflakeのどのオブジェクトタイプを使用すると、ユーザーがオブジェクトに関連付けられたDDLを閲覧できないように制限できますか？
A) 安全なビュー
B) ストアドプロシージャ
C) 実物大ビュー
D) データマスキングポリシー
3. デフォルトでは、自動実行アプリケーションパッケージの更新頻度を変更するには、どのロールが必要ですか？
A) グローバル組織管理
B) システム管理者
C) セキュリティ管理者
D) アカウント管理者
4. COPY INTO <location> コマンドと組み合わせた場合、どの関数を使用すると、行のアンロード中にリレーショナルテーブルの行を単一の VARIANT 列に変換できますか？
A) TO_VARIANT
B) オブジェクト構築
C) ARRAY_AGG
D) OBJECT_AGG
5. Snowflakeはどのレイヤーでデータを内部の最適化された圧縮カラム形式に再編成しますか？
A) メタデータ管理
B) クラウドサービス
C) データベースストレージ
D) クエリ処理
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: C |
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