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SnowFlake COF-R02 Snowflake SnowPro Core Recertification

- Domain 1: Snowflake AI Data Cloud Features and Architecture (25%)

- key features of the Snowflake AI Data Cloud.

- Elastic storage
- Elastic compute
- Snowflake's three distinct layers
- Cloud partner categories
- Overview of Snowflake editions

- tools and user interfaces.

- Snowsight
- SnowSQL
- Snowflake connectors
- Snowflake drivers
- Snowpark
- SnowCD

- catalog and objects.

- Databases
- Stages
- Schema types
- Table types
- View types
- Data types
- User Defined Functions (UDFs)
- User Defined Table Functions (UDTFs)
- Stored procedures
- Streams
- Tasks
- Pipes
- Shares
- Sequences

- storage concepts.

- Micro-partitions
- Data clustering
- Data storage monitoring

- Domain 2: Account Access and Security (20%)

- security principles.

- Network security and policies
- Multi-Factor Authentication (MFA)
- Federated authentication
- Key pair authentication
- Single Sign-On (SSO)

- Define the entities and roles that are used in Snowflake.

- Overview of access control

- Access control frameworks
- Access control privileges

- how privileges can be granted and revoked
- Explain role hierarchy and privilege inheritance

- data governance capabilities in Snowflake.

- Accounts
- Organizations
- Secure views
- Secure functions
- Information schemas
- Access history

- Tracking read/write operations

- Overview of row/column-level security
- Object tags

- Domain 3: Performance Concepts (15%)

- Explain the use of the Query Profile.

- Explain plans
- Data spilling
- Use of the data cache
- Micro-partition pruning
- Query history

- Explain virtual warehouse configurations.

- Types of warehouses
- Multi-clustering warehouses

- Scaling policies
- Scaling modes

- Warehouse sizing
- Warehouse settings and access

- virtual warehouse performance tools.

- Monitoring warehouse loads
- Scaling up compared to scaling out
- Resource monitors
- Query acceleration service

- Optimize query performance.

- Describe the use of materialized views
- Use of specific SELECT commands
- Clustering
- Search optimization service
- Persisted query results
- Understanding the impact of different types of caching

- Metadata cache
- Result cache
- Warehouse cache

- Domain 4: Data Loading and Unloading (10%)

- Define concepts and best practices that should be considered when loading data.

- Stages and stage types
- File size and formats
- Folder structures
- Ad hoc/bulk loading
- Snowpipe

- different commands used to load data and when they should be used.

- CREATE STAGE
- CREATE FILE FORMAT
- CREATE PIPE
- CREATE EXTERNAL TABLE
- COPY INTO
- INSERT/INSERT OVERWRITE
- PUT
- VALIDATE

- Define concepts and best practices that should be considered when unloading data.

- File size and formats
- Overview of compression methods
- Empty strings and NULL values
- Unloading to a single file
- Unloading relational tables

- different commands used to unload data and when they should be used.

- GET
- LIST
- COPY INTO
- CREATE STAGE
- CREATE FILE FORMAT

- Domain 5: Data Transformations (20%)

- Explain how to work with standard data.

- Estimation functions
- Sampling

- demo command
- /TABLESAMPLE command
- Sampling methods

- Fraction-based
- Fixed-size

- Supported function types

- System functions
- Table functions
- External functions
- User-Defined Functions (UDFs)

- Stored procedures
- Streams
- Tasks

- Explain how to work with semi-structured data.

- Supported data formats, data types, and sizes
- VARIANT column
- Flattening the nested structure

- FLATTEN command
- LATERAL FLATTEN command

- Semi-structured data functions

- ARRAY/OBJECT creation and manipulation
- Extracting values
- Type predicates

- Explain how to work with unstructured data.

- Define and use directory tables
- SQL file functions

- Types of URLs available to access files

- the purpose of User-Defined Functions (UDFs) for data analysis

- Domain 6: Data Protection and Data Sharing (10%)

- Continuous Data Protection with Snowflake.

- Time Travel
- Fail-safe
- Data encryption
- Cloning
- Replication

- data sharing capabilities.

- Account types
- Snowflake Marketplace
- Data Exchange
- Access control options

- DDL commands to create and manage shares
- Privileges required for working with shares

- Secure Data Sharing (for example, Direct Share, Listing)