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Snowflake COF-C03 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: Databases, Tables & Views | 18% | - Data manipulation (DML operations) - Stored procedures and UDFs - Column types and sequences - Clustering and micro-partitions - Table types (permanent, transient, temporary) - Views (standard, materialized, secure) |
| Topic 3: Data Loading & Unloading | 15% | - Bulk loading with COPY command - Data unloading and staging - File formats (JSON, CSV, Parquet, AVRO) - Continuous loading with Snowpipe - Data ingestion best practices |
| Topic 4: Virtual Warehouses | 15% | - Warehouse creation and configuration - Multi-cluster warehouses - Warehouse monitoring and troubleshooting - Warehouse sizing and scaling - Cache concepts (warehouse, result, metadata) |
| Topic 5: Semi-Structured Data | 10% | - VARIANT data type - Array and object operations - Parsing and flattening semi-structured data |
| Topic 6: Time Travel & Cloning | 10% | - UNDROP and historical data access - Zero-copy cloning - Fail-safe concepts - Time travel concepts and retention |
| Topic 7: Data Sharing | 12% | - Shares and reader accounts - Data listing marketplace - Reader account management - Private sharing vs. Data Exchange |
| Topic 8: Account Objects | 8% | - Warehouses, databases, and schemas hierarchy - Resource monitors - Organizations and accounts structure |
| Topic 9: Cloud Platform Overview & Snowflake Key Concepts | 8% | - Snowflake editions and features - Virtual warehouse concepts and credit usage - Snowflake architecture layers (storage, compute, services) |
| Topic 10: Security & Access Control | 10% | - Authorization (roles, privileges) - Masking policies - Authentication (SSO, MFA) - Governance best practices - Row-level and column-level security |
Snowflake SnowPro® Core Certification 2026 Exam (COF-C03) Sample Questions:
1. Which copy option is used to include column headers when unloading data to Parquet files?
A) HEADER = TRUE
B) PARSE_HEADER = TRUE
C) HEADER = ( ' < header_1 > ' = ' < value_1 > ' )
D) SKIP_HEADER = < integer >
2. Which types of values lead to slower queries and increased storage consumption when placed within a VARIANT column? Select TWO.
A) JSON null values
B) Vectors
C) Arrays
D) Timestamps within strings
E) Floating-point numbers
3. Which of the following can be used when unloading data from Snowflake? (Choose two.)
A) When unloading semi-structured data, it is recommended that the STRIP_OUTER_ARRAY option be used.
B) Use the PARSE_JSON function to ensure structured data will be unloaded into the VARIANT data type.
C) Use the ENCODING file format option to change the encoding from the default UTF-8.
D) The OBJECT_CONSTRUCT function can be used to convert relational data to semi-structured data.
E) By using the SINGLE = TRUE parameter, a single file up to 5 GB in size can be exported to the storage layer.
4. An external stage many_stage contains many directories including one, app_files that contains CSV files How can all the CSV files from this directory be moved into table my_table without scanning files that are not needed?
A) COPY INTO my_table FROM @many_stage PATTERN = '.\.csv';
B) COPY INTO my_table FROM @many_stage;
C) COPY INTO my_table FROM @many_stage/app_files/.csv;
D) COPY INTO my_table FROM @many_stage/app_files FILE_FORMAT = (TYPE = CSV);
5. How are clusters handled when the Economy scaling policy is set on a multi-cluster virtual warehouse?
A) A new cluster starts only if the system estimates that the queued queries will require resources that will keep the new cluster busy for at least 6 minutes.
B) A cluster will shut down after 3 system checks indicating that the cluster has been under-utilized for a minimum of 6 minutes.
C) A new cluster starts when the system detects that there is one or more queries queued waiting for an available cluster.
D) A new cluster will start every 60 seconds if there are queued queries that have been waiting for more than 30 seconds for an available cluster.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,D | Question # 3 Answer: D,E | Question # 4 Answer: C | Question # 5 Answer: A |



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