ARA-C01 Exam Dumps : SnowPro Advanced: Architect Certification Exam

Zero-copy cloning in Snowflake creates a metadata-only snapshot of databases, schemas, or tables, enabling rapid environment refreshes without duplicating data. However, not all dependent objects behave identically during cloning.

Pipes that reference external stages are not cloned because external stages depend on credentials and integrations that may not exist or be valid in the cloned environment (Answer C). This is a documented Snowflake behavior and an important consideration when cloning production environments into development.

Regarding privileges, a cloned database inherits privileges granted on child objects (such as schemas and tables), but it does not inherit privileges granted directly on the source database itself (Answer E). This design prevents unintended access escalation and ensures that security must be explicitly re-granted at the database level.

Understanding these nuances is essential for SnowPro Architect candidates when designing environment promotion strategies and managing data lifecycle processes using cloning.

=========

QUESTION NO: 40 [Performance Optimization and Monitoring]

Two SQL queries perform the same task, but one consistently outperforms the other in reports, even though the SQL logic appears equivalent.

What step ensures the comparison is accurate?

A. Eliminate compilation time metrics.

B. Ensure both queries use the same clustering keys.

C. Disable result cache usage for the faster query.

D. Suspend and resume the virtual warehouse between queries.

Answer: C

Snowflake’s result cache can cause misleading performance comparisons. If one query benefits from cached results while another does not, execution time metrics will not reflect true performance differences. Disabling result cache usage for the faster query ensures both queries execute fully and fairly (Answer C).

Suspending and resuming a warehouse clears the local data cache but does not necessarily control result cache usage. Compilation time is generally minimal compared to execution time and does not explain consistent performance differences. Clustering keys are unrelated if both queries access the same data.

This question reinforces a core SnowPro Architect principle: accurate performance testing requires controlling for caching effects. Architects must understand Snowflake’s caching layers to correctly interpret query performance metrics.

In a scenario where strong legal isolation is required alongside the need for multi-tenancy, the most effective approach is to create separate accounts for each tenant within the Snowflake organization. This approach ensures complete isolation of data, resources, and management, adhering to strict legal and compliance requirements. Role-Based Access Control (RBAC) further enhances security by allowing granular control over who can access what resources within each account. This solution leverages Snowflake’s capabilities for managing multiple accounts under a single organization umbrella, ensuring that each tenant's data and operations are isolated from others.

 A reader account is a type of Snowflake account that allows external users to access data shared by a provider account without being a Snowflake customer. A reader account can be created and managed by the provider account, and can use the Snowflake web interface or JDBC/ODBC drivers to query the shared data. A reader account is billed to the provider account based on the credits consumed by the queries1. A secure view is a type of view that applies row-level security filters to the underlying tables, and masks the data that is not accessible to the user. A secure view can be shared with a reader account to provide granular and governed access to the data2. In this scenario, creating a reader account for the partner and sharing the data sets as secure views would be the most cost-effective and secure design, while using the required Snowflake features, because:

It would avoid the data transfer and storage costs of using an S3 bucket as a destination, and the potential security risks of exposing the data to unauthorized access or modification.

It would avoid the complexity and overhead of publishing the data sets on the Snowflake Marketplace, and the potential loss of control over the data ownership and pricing.

It would avoid the need to create a database user for the partner and grant them access to the required data sets, which would require the partner to have a Snowflake account and consume the provider’s resources.

Reader Accounts

Secure Views