[Q174-Q195] 2024 Reliable Study Materials & Testing Engine for COF-C02 Exam Success!

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2024 Reliable Study Materials & Testing Engine for COF-C02 Exam Success!

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NEW QUESTION 174
Which command can be used to stage local files from which Snowflake interface?

SnowSQL

Snowflake classic web interface (Ul)

Snowsight

.NET driver

SnowSQL is the command-line client for Snowflake that allows users to execute SQL queries and perform all DDL and DML operations, including staging files for bulk data loading. It is specifically designed for scripting and automating tasks.
References:
* SnowPro Core Certification Exam Study Guide
* Snowflake Documentation on SnowSQL
https://docs.snowflake.com/en/user-guide/snowsql-use.html

NEW QUESTION 175
Which commands are restricted in owner’s rights stored procedures? (Select TWO).

SHOW

MERGE

INSERT

DELETE

DESCRIBE

In owner’s rights stored procedures, certain commands are restricted to maintain security and integrity. The SHOW and DESCRIBE commands are limited because they can reveal metadata and structure information that may not be intended for all roles.

NEW QUESTION 176
Which statistics are displayed in a Query Profile that indicate that intermediate results do not fit in memory?
(Select TWO).

Bytes scanned

Partitions scanned

Bytes spilled to local storage

Bytes spilled to remote storage

Percentage scanned from cache

The Query Profile statistics that indicate intermediate results do not fit in memory are the bytes spilled to local storage and bytes spilled to remote storage2.

NEW QUESTION 177
What type of account can be used to share data with a consumer who does have a Snowflake account?

Data provider

Data consumer

Reader

Organization

A Reader account in Snowflake can be used to share data with a consumer who does not have a Snowflake account. Reader accounts are a type of shared account provided by data providers to external data consumers, allowing them to access and query shared data using Snowflake’s web interface without needing their own Snowflake account.
References:
* Snowflake Documentation: Reader Accounts

NEW QUESTION 178
A user has unloaded data from Snowflake to a stage
Which SQL command should be used to validate which data was loaded into the stage?

list @file__stage

show @file__stage

view @file__stage

verify @file__stage

NEW QUESTION 179
The fail-safe retention period is how many days?

1 day

7 days

45 days

90 days

Fail-safe is a feature in Snowflake that provides an additional layer of data protection. After the Time Travel retention period ends, Fail-safe offers a non-configurable 7-day period during which historical data may be recoverable by Snowflake. This period is designed to protect against accidental data loss and is not intended for customer access.
References: Understanding and viewing Fail-safe | Snowflake Documentation

NEW QUESTION 180
Which of the following statements describe features of Snowflake data caching? (Choose two.)

When a virtual warehouse is suspended, the data cache is saved on the remote storage layer.

When the data cache is full, the least-recently used data will be cleared to make room.

A user can only access their own queries from the query result cache.

A user must set USE_METADATA_CACHE to TRUE to use the metadata cache in queries.

The RESULT_SCAN table function can access and filter the contents of the query result cache.

Snowflake’s data caching features include the ability to clear the least-recently used data when the data cache is full to make room for new data. Additionally, the RESULT_SCAN table function can access and filter the contents of the query result cache, allowing users to retrieve and work with the results of previous queries. The other statements are incorrect: the data cache is not saved on the remote storage layer when a virtual warehouse is suspended, users can access queries from the query result cache that were run by other users, and there is no setting called USE_METADATA_CACHE in Snowflake. References: Caching in the Snowflake Cloud Data Platform, Optimizing the warehouse cache

NEW QUESTION 181
Which copy INTO command outputs the data into one file?

SINGLE=TRUE

MAX_FILE_NUMBER=1

FILE_NUMBER=1

MULTIPLE=FAISE

The COPY INTO command in Snowflake can be configured to output data into a single file by setting the MAX_FILE_NUMBER option to 1. This option limits the number of files generated by the command, ensuring that only one file is created regardless of the amount of data being exported.
References:
* [COF-C02] SnowPro Core Certification Exam Study Guide
* Snowflake Documentation on Data Unloading

NEW QUESTION 182
Which of the following are true of multi-cluster Warehouses? Select all that apply below.

A multi-cluster Warehouse can add clusters automatically based on query activity

A multi-cluster Warehouse can automatically turn itself off after a period of inactivity

A multi-cluster Warehouse can scale down when query activity slows

A multi-cluster Warehouse can automatically turn itself on when a query is executed against it

NEW QUESTION 183
Which security models are used in Snowflake to manage access control? (Select TWO).

Discretionary Access Control (DAC)

Identity Access Management (1AM)

Mandatory Access Control (MAC)

Role-Based Access Control (RBAC)

Security Assertion Markup Language (SAML)

Snowflake uses both Discretionary Access Control (DAC) and Role-Based Access Control (RBAC) to manage access control. DAC allows object owners to grant access privileges to other users. RBAC assigns permissions to roles, and roles are then granted to users, making it easier to manage permissions based on user roles within the organization.
References:
* Snowflake Documentation: Access Control in Snowflake

NEW QUESTION 184
True or False: It is possible for a user to run a query against the query result cache without requiring an active Warehouse.

True

False

Explanation
Query result cache is all about fetching the data from cloud services layer and saving the cost by not running the virtual warehouse.

NEW QUESTION 185
Which Snowflake objects track DML changes made to tables, like inserts, updates, and deletes?

Pipes

Streams

Tasks

Procedures

In Snowflake, Streams are the objects that track Data Manipulation Language (DML) changes made to tables, such as inserts, updates, and deletes. Streams record these changes along with metadata about each change, enabling actions to be taken using the changed data. This process is known as change data capture (CDC)2.

NEW QUESTION 186
Two users share a virtual warehouse named wh dev 01. When one of the users loads data, the other one experiences performance issues while querying data.
How does Snowflake recommend resolving this issue?

Scale up the existing warehouse.

Create separate warehouses for each user.

Create separate warehouses for each workload.

Stop loading and querying data at the same time.

NEW QUESTION 187
Who can grant object privileges in a regular schema?

Object owner

Schema owner

Database owner

SYSADMIN

In a regular schema within Snowflake, the object owner has the privilege to grant object privileges. The object owner is typically the role that created the object or to whom the ownership of the object has been transferred78.
References = [COF-C02] SnowPro Core Certification Exam Study Guide

NEW QUESTION 188
The Snowflake Cloud Data Platform is described as having which of the following architectures?

Shared-disk

Shared-nothing

Multi-cluster shared data

Serverless query engine

Snowflake’s architecture is described as a multi-cluster, shared data architecture. This design combines the simplicity of a shared-disk architecture with the performance and scale-out benefits of a shared-nothing architecture, using a central repository accessible from all compute nodes2.
References = [COF-C02] SnowPro Core Certification Exam Study Guide, Snowflake Documentation

NEW QUESTION 189
To use the overwrite option on insert, which privilege must be granted to the role?

truncate

DELETE

UPDATE

SELECT

To use the overwrite option on insert in Snowflake, the DELETE privilege must be granted to the role. This is because overwriting data during an insert operation implicitly involves deleting the existing data before inserting the new data.
* Understanding the Overwrite Option: The overwrite option (INSERT OVERWRITE) allows you to replace existing data in a table with new data. This operation is particularly useful for batch-loading scenarios where the entire dataset needs to be refreshed.
* Why DELETE Privilege is Required: Since the overwrite operation involves removing existing rows in the table, the executing role must have the DELETE privilege to carry out both the deletion of old data and the insertion of new data.
* Granting DELETE Privilege:
* To grant the DELETE privilege to a role, an account administrator can execute the following SQL command:
sqlCopy code
GRANT DELETE ON TABLE my_table TO ROLE my_role;
Reference: For additional details on inserting data with the overwrite option and the required privileges, consult the Snowflake documentation on data loading:
https://docs.snowflake.com/en/sql-reference/sql/insert.html

NEW QUESTION 190
What are two ways to create and manage Data Shares in Snowflake? (Choose two.)

Via the Snowflake Web Interface (Ul)

Via the data_share=true parameter

Via SQL commands

Via Virtual Warehouses

In Snowflake, Data Shares can be created and managed in two primary ways:
* Via the Snowflake Web Interface (UI): Users can create and manage shares through the graphical interface provided by Snowflake, which allows for a user-friendly experience.
* Via SQL commands: Snowflake also allows the creation and management of shares using SQL commands. This method is more suited for users who prefer scripting or need to automate the process.
Reference: https://docs.snowflake.com/en/user-guide/data-sharing-provider.html

NEW QUESTION 191
True or False: Snowpipe via REST API can only reference External Stages as source.

True

False

NEW QUESTION 192
What is the lowest Snowflake edition that offers Time Travel up to 90 days.

standard Edition

Premier Edition

Enterprise Edition

Business Critical Edition

NEW QUESTION 193
Which SQL commands, when committed, will consume a stream and advance the stream offset? (Choose two.)

UPDATE TABLE FROM STREAM

SELECT FROM STREAM

INSERT INTO TABLE SELECT FROM STREAM

ALTER TABLE AS SELECT FROM STREAM

BEGIN COMMIT

NEW QUESTION 194
User-level network policies can be created by which of the following roles? (Select TWO).

ROLEADMIN

ACCOUNTADMIN

SYSADMIN

SECURITYADMIN

USERADMIN

NEW QUESTION 195
The following settings are configured:

For how many days will the data be retained at the object level?

The settings shown in the image indicate that the data retention time in days is configured at two different levels: the account level and the object level. At the account level, the MIN_DATA_RETENTION_TIME_IN_DAYS is set to 5 days, and at the object level, the DATA_RETENTION_TIME_IN_DAYS is set to 2 days. Since the object level setting has a lower value, it takes precedence over the account level setting for the specific object. Therefore, the data will be retained for 2 days at the object level.References: Snowflake Documentation on Data Retention Policies

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