Snowflake DEA-C01 SnowPro Advanced Data Engineer Certification Online Training
Snowflake DEA-C01 Online Training
The questions for DEA-C01 were last updated at Jan 06,2025.
- Exam Code: DEA-C01
- Exam Name: SnowPro Advanced Data Engineer Certification
- Certification Provider: Snowflake
- Latest update: Jan 06,2025
PARTITION_TYPE = USER_SPECIFIED must be used when you prefer to add and remove partitions selectively rather than automatically adding partitions for all new files in an external storage location that match an expression?
- A . TRUE
- B . FALSE
PARTITION_TYPE = USER_SPECIFIED must be used when you prefer to add and remove partitions selectively rather than automatically adding partitions for all new files in an external storage location that match an expression?
- A . TRUE
- B . FALSE
Which Scenario Data engineer decide Materialized views are not useful. Select All that apply.
- A . Query results contain a small number of rows and/or columns relative to the base table (the table on which the view is defined).
- B . Query results contain results that require significant processing.
- C . The query is on an external table (i.e. data sets stored in files in an external stage), which might have slower performance compared to querying native database tables.
- D . The view’s base table change frequently.
Partition columns optimize query performance by pruning out the data files that do not need to be scanned (i.e. partitioning the external table).
Which pseudocolumn of External table evaluate as an expression that parses the path and/or filename information.
- A . METADATA$ROW_NUMBER
- B . METADATA$COLUMNNAME
- C . METADATA$FILEPATH
- D . METADATA$FILENAME
Data Engineer identified use case where he decided to use materialized view for query performance.
Which one is not the limitation he must be aware of before using MVs in their use case?
- A . Truncating a materialized view is not supported.
- B . Time Travel is not currently supported on materialized views.
- C . You cannot directly clone a materialized view by using the CREATE MATERIAL-IZED VIEW … CLONE… command.
- D . A materialized view can query only a single table & Joins, including self-joins, are not supported.
- E . A materialized views does not support clustering.
- F . A materialized views cannot be created on Shared Data.
- G . A materialized view cannot include HAVING clauses OR ORDER BY clause.
- H . Context Functions like CURRENT_TIME or CURRENT_TIMESTAMP is not per-mitted.
Data Engineer identified use case where he decided to use materialized view for query performance.
Which one is not the limitation he must be aware of before using MVs in their use case?
- A . Truncating a materialized view is not supported.
- B . Time Travel is not currently supported on materialized views.
- C . You cannot directly clone a materialized view by using the CREATE MATERIAL-IZED VIEW … CLONE… command.
- D . A materialized view can query only a single table & Joins, including self-joins, are not supported.
- E . A materialized views does not support clustering.
- F . A materialized views cannot be created on Shared Data.
- G . A materialized view cannot include HAVING clauses OR ORDER BY clause.
- H . Context Functions like CURRENT_TIME or CURRENT_TIMESTAMP is not per-mitted.
Data Engineer identified use case where he decided to use materialized view for query performance.
Which one is not the limitation he must be aware of before using MVs in their use case?
- A . Truncating a materialized view is not supported.
- B . Time Travel is not currently supported on materialized views.
- C . You cannot directly clone a materialized view by using the CREATE MATERIAL-IZED VIEW … CLONE… command.
- D . A materialized view can query only a single table & Joins, including self-joins, are not supported.
- E . A materialized views does not support clustering.
- F . A materialized views cannot be created on Shared Data.
- G . A materialized view cannot include HAVING clauses OR ORDER BY clause.
- H . Context Functions like CURRENT_TIME or CURRENT_TIMESTAMP is not per-mitted.
Data Engineer identified use case where he decided to use materialized view for query performance.
Which one is not the limitation he must be aware of before using MVs in their use case?
- A . Truncating a materialized view is not supported.
- B . Time Travel is not currently supported on materialized views.
- C . You cannot directly clone a materialized view by using the CREATE MATERIAL-IZED VIEW … CLONE… command.
- D . A materialized view can query only a single table & Joins, including self-joins, are not supported.
- E . A materialized views does not support clustering.
- F . A materialized views cannot be created on Shared Data.
- G . A materialized view cannot include HAVING clauses OR ORDER BY clause.
- H . Context Functions like CURRENT_TIME or CURRENT_TIMESTAMP is not per-mitted.
Data Engineer identified use case where he decided to use materialized view for query performance.
Which one is not the limitation he must be aware of before using MVs in their use case?
- A . Truncating a materialized view is not supported.
- B . Time Travel is not currently supported on materialized views.
- C . You cannot directly clone a materialized view by using the CREATE MATERIAL-IZED VIEW … CLONE… command.
- D . A materialized view can query only a single table & Joins, including self-joins, are not supported.
- E . A materialized views does not support clustering.
- F . A materialized views cannot be created on Shared Data.
- G . A materialized view cannot include HAVING clauses OR ORDER BY clause.
- H . Context Functions like CURRENT_TIME or CURRENT_TIMESTAMP is not per-mitted.
Data Engineer identified use case where he decided to use materialized view for query performance.
Which one is not the limitation he must be aware of before using MVs in their use case?
- A . Truncating a materialized view is not supported.
- B . Time Travel is not currently supported on materialized views.
- C . You cannot directly clone a materialized view by using the CREATE MATERIAL-IZED VIEW … CLONE… command.
- D . A materialized view can query only a single table & Joins, including self-joins, are not supported.
- E . A materialized views does not support clustering.
- F . A materialized views cannot be created on Shared Data.
- G . A materialized view cannot include HAVING clauses OR ORDER BY clause.
- H . Context Functions like CURRENT_TIME or CURRENT_TIMESTAMP is not per-mitted.
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