Free Snowflake DEA-C02 Exam Questions

Become Snowflake Certified with updated DEA-C02 exam questions and correct answers

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Total 240 Questions | Updated On: Jul 28, 2025

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Question 1

Which of the below statements are true about search optimization?

A : The search optimization service does not directly improve the performance of joins.

B : It can improve the performance of filtering rows from either table prior to the join, if the table has search optimization enabled and the predicate is selective

C : Search optimization supports external tables

D : Search optimization can improve range searches

Answer: A,B

Question 2

Mark the incorrect statement in case Data engineer using the COPY INTO command to load data from files into Snowflake tables?

A : For Data loading of files with semi-structured file formats (JSON, Avro, etc.), the only supported character set is UTF-16.

B : For loading data from all semi-structured supported file formats (JSON, Avro, etc.), as well as unloading data, UTF-8 is the only supported character set.

C : For Local environment, Files are first copied (“staged”) to an internal (Snowflake) stage, then loaded into a table.

D : UTF-32 & UTF-16 both encoding character sets supported for loading data from de-limited files (CSV, TSV, etc.)

Answer: A

Question 3

Which of the below stored procedure will convert null to string?

A : CREATE OR REPLACE PROCEDURE stored_proc_example(TEST_VALUE STRING) RETURNS string LANGUAGE JAVASCRIPT AS $$ if (TEST_VALUE == null) { var str = "String is null"; return str; } else { return TEST_VALUE; } $$ ;

B : CREATE OR REPLACE PROCEDURE stored_proc_example(TEST_VALUE STRING) RETURNS string LANGUAGE JAVASCRIPT AS $$ if (TEST_VALUE === null) { var str = "String is null"; return str; } else { return TEST_VALUE; } $$ ;

C : CREATE OR REPLACE PROCEDURE stored_proc_example(TEST_VALUE STRING) RETURNS string LANGUAGE JAVASCRIPT AS $$ if (TEST_VALUE === 'null') { var str = "String is null"; return str; } else { return TEST_VALUE; } $$ ;

D : CREATE OR REPLACE PROCEDURE stored_proc_example(TEST_VALUE STRING) RETURNS string LANGUAGE JAVASCRIPT AS $$ if (TEST_VALUE == 'null') { var str = "String is null"; return str; } else { return TEST_VALUE; } $$ ;

Answer: A

Question 4

When using the CURRENT_ROLE and CURRENT_USER functions with secure UDFs that will be shared with Snowflake accounts, Snowflake returns a NULL value for these functions?

A : TRUE

B : FALSE

Answer: A

Question 5

Streams cannot be created to query change data on which of the following objects? [Select All that Apply]

A : Standard tables, including shared tables.

B : Views, including secure views

C : Directory tables

D : Query Log Tables

E : External tables

Answer: D

Page: 1 / 48

Total 240 Questions | Updated On: Jul 28, 2025

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