Snowflake recommends removing data files from the staging area after they have been loaded into the target table. This practice ensures that the data is only loaded once and prevents accidental reloading of the same data. By removing the files, you eliminate the risk of duplicate data loads.
Stage the Data:Upload the data files to a Snowflake stage (internal or external).
Load the Data:Use theCOPY INTOcommand to load the data from the stage into the Snowflake table.
Remove the Data Files:After successfully loading the data, remove the data files from the stage using theREMOVEcommand.
References:
Snowflake Documentation: Loading Data into Snowflake
Snowflake Documentation: Staging Data Files
Snowflake Documentation: COPY INTO Command

To minimize Continuous Data Protection (CDP) costs when dealing with large, high-churn dimension tables in Snowflake, using transient tables is a recommended approach.
Transient Tables: These are designed for data that does not require fail-safe protection. They provide the benefit of reducing costs associated with continuous data protection since they do not have the seven-day Fail- safe period that is mandatory for permanent tables.
Periodic Copying to Permanent Tables: By periodically copying data from transient tables to permanent tables, you can achieve a balance between data protection and cost-efficiency. Permanent tables offer the extended data protection features, including Time Travel and Fail-safe, butthese features can be applied selectively rather than continuously, reducing the overall CDP costs.
Snowflake Documentation on Transient Tables
Snowflake Documentation on Time Travel & Fail-safe

Snowflake data providers can share data residing in different databases through secure views. Secure views allow for the referencing of objects such as schemas, tables, and other views contained in one or more databases, as long as those databases belong to the same account. This enables providers to share data securely and efficiently with consumers. References: [ COF-C03 ] SnowPro Core Certification Exam Study Guide

Granting a user the MODIFY, MONITOR, and OPERATE privileges on all virtual warehouses in Snowflake is equivalent to granting the global MANAGE WAREHOUSES privilege. These privileges collectively provide comprehensive control over virtual warehouses.
MODIFY Privilege:
Allows users to change the configuration of the virtual warehouse.
Includes resizing, suspending, and resuming the warehouse.
MONITOR Privilege:
Allows users to view the status and usage metrics of the virtual warehouse.
Enables monitoring of performance and workload.
OPERATE Privilege:
Grants the ability to start and stop the virtual warehouse.
Includes pausing and resuming operations as needed.
Snowflake Documentation: Warehouse Privileges