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Question 76 - DEA-C01 discussion

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Mark the Correct Statements for the VALIDATION_MODE option used by Data Engineer for Da-ta loading operations in his/her COPY INTO <table> command:

A.
VALIDATION_MODE instructs the COPY command to validate the data files instead of loading them into the specified table; i.e., the COPY command tests the files for er-rors but does not load them.
Answers
A.
VALIDATION_MODE instructs the COPY command to validate the data files instead of loading them into the specified table; i.e., the COPY command tests the files for er-rors but does not load them.
B.
VALIDATION_MODE option supported these values:RETURN_n_ROWS,RETURN_ERRORS,RETURN_ALL_ERRORS
Answers
B.
VALIDATION_MODE option supported these values:RETURN_n_ROWS,RETURN_ERRORS,RETURN_ALL_ERRORS
C.
VALIDATION_MODE does not support COPY statements that transform data during a load. If the parameter is specified, the COPY statement returns an error.
Answers
C.
VALIDATION_MODE does not support COPY statements that transform data during a load. If the parameter is specified, the COPY statement returns an error.
D.
VALIDATION_MODE only support Data loading operation i.e., do not work while da-ta unloading.
Answers
D.
VALIDATION_MODE only support Data loading operation i.e., do not work while da-ta unloading.
Suggested answer: A, B, C

Explanation:

All the Statements are correct except the statement saying VALIDATION_MODE only support Data loading operation.

VALIDATION_MODE can be used with COPY INTO <location> command as well i.e for data unloading operation.

VALIDATION_MODE = RETURN_ROWS can be used at the time of Data unloading.

This option instructs the COPY command to return the results of the query in the SQL statement instead of unloading the results to the specified cloud storage location. The only supported validation option is RETURN_ROWS. This option returns all rows produced by the query.

When you have validated the query, you can remove the VALIDATION_MODE to perform the unload operation.

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asked 23/09/2024
Avinash Jindal
38 questions
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