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Snowflake COF-C03日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Account Objects | 8% | - Resource monitors - Organizations and accounts structure - Warehouses, databases, and schemas hierarchy |
| Topic 2: Semi-Structured Data | 10% | - Array and object operations - Parsing and flattening semi-structured data - VARIANT data type |
| Topic 3: Cloud Platform Overview & Snowflake Key Concepts | 8% | - Snowflake architecture layers (storage, compute, services) - Virtual warehouse concepts and credit usage - Snowflake editions and features |
| Topic 4: Data Loading & Unloading | 15% | - Data ingestion best practices - Bulk loading with COPY command - File formats (JSON, CSV, Parquet, AVRO) - Data unloading and staging - Continuous loading with Snowpipe |
| Topic 5: Virtual Warehouses | 15% | - Warehouse monitoring and troubleshooting - Warehouse creation and configuration - Multi-cluster warehouses - Warehouse sizing and scaling - Cache concepts (warehouse, result, metadata) |
| Topic 6: Databases, Tables & Views | 18% | - Clustering and micro-partitions - Table types (permanent, transient, temporary) - Data manipulation (DML operations) - Column types and sequences - Stored procedures and UDFs - Views (standard, materialized, secure) |
| Topic 7: Performance Optimization & Monitoring | 4% | - Query profiling and performance tuning - Resource optimization techniques - Query history and monitoring |
| Topic 8: Time Travel & Cloning | 10% | - Zero-copy cloning - UNDROP and historical data access - Time travel concepts and retention - Fail-safe concepts |
| Topic 9: Data Sharing | 12% | - Private sharing vs. Data Exchange - Data listing marketplace - Reader account management - Shares and reader accounts |
| Topic 10: Security & Access Control | 10% | - Masking policies - Row-level and column-level security - Authorization (roles, privileges) - Authentication (SSO, MFA) - Governance best practices |
Snowflake SnowPro® Core Certification (COF-C03日本語版) Sample Questions:
Question 1
Snowflakeのアーキテクチャを正確に説明しているのは、次のうちどれですか？
A. これは、従来の共有ディスク型データベースと共有なし型データベースアーキテクチャのハイブリッドです。
B. プラットフォーム内のすべての計算ノードに対してローカルデータリポジトリを使用します。
C. 読み込まれたデータを、内部的に最適化され、圧縮された行ベースの形式に再編成します。
D. これは、共有ディスク型データベースアーキテクチャと、すべてを共有するデータベースアーキテクチャを組み合わせたものです。
Question 2
Snowflakeでは、15桁のID番号列ID_NUMERを含む高カーディナリティ列に対して、クラスタリングキーをどのように定義することを推奨していますか？
A. TRUNC (ID_NUMBER, 5)
B. TRUNC (ID_NUMBER, -6)
C. ID番号*100
D. TO CHAR(ID_NUMBER)
Question 3
どのSnowflakeオブジェクトが、データベースレプリケーションとレプリケーショングループの両方でサポートされていますか？
A. ユーザー
B. パイプ
C. マテリアライズドビュー
D. ステージ
Question 4
Snowflakeのどの機能が、変更内容をテーブルに記録し、その変更データキャプチャを使用してアクションを実行できるようにしますか？
A. パイプ
B. タスク
C. ストリーム
D. マテリアライズドビュー
Question 5
SNOWFLAKE.ACCOUNT_USAGE のどのビューが、ユーザーがどの IP アドレスから Snowflak に接続したかを示していますか？
A. セッション
B. ログイン履歴
C. アクセス_ホストストーリー
D. クエリ履歴
Solutions:
| Question 1 Answer: A | Question 2 Answer: B | Question 3 Answer: B | Question 4 Answer: C | Question 5 Answer: B |
