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DEA-C01 Dumps With Exact Questions and Answers

Exact2pass Provides 100% Valid SnowPro Advanced: Data Engineer Certification Exam DEA-C01 Exam dumps Questions and answers which can helps you to Pass Your Certification Exam in First Attempt.

DEA-C01 pdf
  • Last Update: 09-Jul-2024
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DEA-C01 PDF + Testing Engine
DEA-C01 pdf + testing engine
DEA-C01 pdf + testing engine
  • Last Update: 09-Jul-2024
  • 65 Questions and Answers
  • Single Choice: 49 Q&A's
  • Multiple Choice: 16 Q&A's
DEA-C01 Testing Engine
DEA-C01 testing engine
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DEA-C01 Questions and Answers

Question # 1

As Data Engineer, you have requirement to Load set of New Product Files containing Product rele-vant information into the Snowflake internal tables, Later you analyzed that some of the Source files are already loaded in one of the historical batch & for that you have prechecked Metadata col-umn LAST_MODIFIED date for a staged data file & found out that LAST_MODIFIED date is older than 64 days for few files and the initial set of data was loaded into the table more than 64 days earlier, Which one is the best approach to Load Source data files with expired load metadata along with set of files whose metadata might be available to avoid data duplication?


Since the initial set of data for the table (i.e. the first batch after the table was created) was loaded, we can simply use the COPY INTO command to load all the product files with the known load status irrespective of their column LAST_MODIFIED date values.


The COPY command cannot definitively determine whether a file has been loaded al-ready if the LAST_MODIFIED date is older than 64 days and the initial set of data was loaded into the table more than 64 days earlier (and if the file was loaded into the table, that also occurred more than 64 days earlier). In this case, to prevent accidental reload, the command skips the product files by default.


Set the FORCE option to load all files, ignoring load metadata if it exists.


To load files whose metadata has expired, set the LOAD_UNCERTAIN_FILES copy option to true.

Question # 2

Which are the Cloud Platforms that Support Calling an External Function?






AWS only



Question # 3

To help manage STAGE storage costs, Data engineer recommended to monitor stage files and re-move them from the stages once the data has been loaded and the files which are no longer needed. Which option he can choose to remove these files either during data loading or afterwards?


He can choose to remove stage files during data loading (using the COPY INTO



Files no longer needed, can be removed using the PURGE=TRUE command.


Files no longer needed, can be removed using the REMOVE command.


Script can be used during data loading & post data loading with DELETE command.


· After the load completes, use the REMOVE command to remove the files in the stage.

Removing files ensures they aren’t inadvertently loaded again. It also improves load performance, because it reduces the number of files that COPY commands must scan to verify whether existing files in a stage were loaded already.

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