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Snowflake COF-C03日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Time Travel & Cloning | 10% | - Time travel concepts and retention - UNDROP and historical data access - Zero-copy cloning - Fail-safe concepts |
| Topic 2: Data Sharing | 12% | - Data listing marketplace - Private sharing vs. Data Exchange - Reader account management - Shares and reader accounts |
| Topic 3: Databases, Tables & Views | 18% | - Views (standard, materialized, secure) - Column types and sequences - Table types (permanent, transient, temporary) - Data manipulation (DML operations) - Clustering and micro-partitions - Stored procedures and UDFs |
| Topic 4: Semi-Structured Data | 10% | - Array and object operations - VARIANT data type - Parsing and flattening semi-structured data |
| Topic 5: Performance Optimization & Monitoring | 4% | - Query history and monitoring - Resource optimization techniques - Query profiling and performance tuning |
| Topic 6: Security & Access Control | 10% | - Row-level and column-level security - Authentication (SSO, MFA) - Governance best practices - Authorization (roles, privileges) - Masking policies |
| Topic 7: Cloud Platform Overview & Snowflake Key Concepts | 8% | - Snowflake editions and features - Snowflake architecture layers (storage, compute, services) - Virtual warehouse concepts and credit usage |
| Topic 8: Virtual Warehouses | 15% | - Warehouse monitoring and troubleshooting - Warehouse creation and configuration - Warehouse sizing and scaling - Multi-cluster warehouses - Cache concepts (warehouse, result, metadata) |
| Topic 9: Data Loading & Unloading | 15% | - Bulk loading with COPY command - Continuous loading with Snowpipe - Data ingestion best practices - File formats (JSON, CSV, Parquet, AVRO) - Data unloading and staging |
| Topic 10: Account Objects | 8% | - Warehouses, databases, and schemas hierarchy - Resource monitors - Organizations and accounts structure |
Snowflake SnowPro® Core Certification (COF-C03日本語版) Sample Questions:
1. Snowflakeは、半構造化データをクエリする際に、どのデータ型をサポートしていますか？(2つ選択してください)
A) BLOB
B) バリアント
C) XML
D) VARCHAR
E) 配列
2. データプロバイダーが共有内のオブジェクトに必要な権限を付与していると仮定した場合、どのステートメントがロール consumer_role に権限を付与し、データベース share_db へのアクセスを許可するのでしょうか？
A) データベース share_db に対するインポートされた権限をロール consumer_role に付与します。
B) ロール consumer_role にデータベース share_db の使用権限を付与します。
C) データベース share_db の所有権をロール consumer_role に付与します。
D) データベース share_db に対するすべての権限をロール consumer_role に付与します。
3. FLATTEN関数のLATERAL修飾子は何をしますか？
A) フラット化されたデータ内の繰り返し要素の単一インスタンスを取得します
B) フラット化されたデータの値をキャストします
C) オブジェクト外の情報をフラット化されたデータと結合します
D) フラット化されたデータのパスを抽出します
4. Snowflakeの仮想倉庫の主な特徴は何ですか？(2つ選択してください。)
A) 倉庫はいつでも開始および停止できます。
B) マルチクラスタの倉庫では、異なるサイズのノードを持つことができます。
C) ウェアハウスはクエリにのみ使用でき、データロードには使用できません。
D) 倉庫は、稼働中でもいつでもサイズ変更できます。
E) 倉庫の利用料金は、1分あたりの使用量に基づいて課金されます。
5. 標準のSnowflakeテーブルには、どの制約が適用されますか？
A) 外部キー
B) NOT NULL
C) ユニーク
D) プライマリキー
Solutions:
| Question # 1 Answer: B,E | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: A,D | Question # 5 Answer: B |
