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| Section | Objectives |
|---|---|
| Data Protection, Security, and Performance | - Query performance optimization basics - Role-based access control (RBAC) - Time Travel and Fail-safe concepts |
| Snowflake Architecture and Overview | - Snowflake architecture concepts (cloud data platform, separation of storage and compute) - Virtual warehouses and resource scaling concepts |
| Data Transformations and Querying | - Semi-structured data handling (VARIANT, JSON, Parquet) - SQL querying in Snowflake |
| Data Loading and Unloading | - Data unloading and external stages - Bulk loading using stages and COPY INTO |
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NEW QUESTION # 612
How can staged files be removed during data loading once the files have loaded successfully?
Answer: D
Explanation:
To remove staged files during data loading after they have been successfully loaded, thePURGEcopy option is used in Snowflake.
* PURGE Option: This option automatically deletes files from the stage after they have been successfully copied into the target table.
* Usage:
FROM @my_stage
FILE_FORMAT = (type = 'csv')
PURGE = TRUE;
References:
* Snowflake Documentation on COPY INTO
NEW QUESTION # 613
What MINIMUM privilege is required on the external stage for any role in the GET REST API to access unstructured data files using a file URL?
Answer: B
NEW QUESTION # 614
What is a characteristic of the Snowflake Query Profile?
Answer: D
Explanation:
The Snowflake Query Profile provides a graphic representation of the main components of the query processing. This visual aid helps users understand the execution details and performance characteristics of their queries4.
NEW QUESTION # 615
A user has been granted the APPLY privilege on a masking policy that partially masks customer telephone numbers. Which additional privilege must be granted so that the user can apply the masking policy to the relevant columns?
Answer: A
Explanation:
The correct answer is D. USAGE on the parent database and schemas and SELECT on the relevant tables or views .
To apply a masking policy to a table or view column, a role needs the ability to reference the masking policy and the target object. The APPLY privilege on the masking policy allows the role to apply that policy.
However, the role must also have access to the object hierarchy and the relevant table or view.
Why D is correct:
The user already has APPLY on the masking policy. In addition, the role needs:
USAGE ON DATABASE < database_name >
USAGE ON SCHEMA < schema_name >
SELECT ON TABLE OR VIEW < object_name >
This allows the user to access the parent database and schema and apply the masking policy to relevant columns in the table or view.
Why the other options are incorrect:
A). SELECT alone is not enough because the user also needs USAGE on the parent database and schema.
B). USAGE on the parent database and schemas is not enough because the user also needs privileges on the relevant table or view.
C). This omits USAGE on the parent database, which is required to resolve the object path.
Official Snowflake documentation reference:
Snowflake documentation explains that to set or unset a masking policy on a column, a role needs the APPLY privilege on the masking policy, plus sufficient privileges on the target object and its containing database and schema.
Reference: Snowflake Documentation - Dynamic Data Masking; Snowflake Documentation - Masking policy privileges; Snowflake Documentation - Access control privileges; SnowPro Core Study Guide - Data Protection and Governance.
NEW QUESTION # 616
When reviewing the load for a warehouse using the load monitoring chart, the chart indicates that a high volume of Queries are always queuing in the warehouse.
According to recommended best practice, what should be done to reduce the Queue volume? (Select TWO).
Answer: C,E
NEW QUESTION # 617
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