問題1
A Data Analyst created two tables that are related by a foreign key, using the following commands:
Then the Analyst renamed the referenced table using the following command: ALTER TABLE mother RENAME TO father; What happens to the foreign key after the referenced table is renamed?
A Data Analyst created two tables that are related by a foreign key, using the following commands:
Then the Analyst renamed the referenced table using the following command: ALTER TABLE mother RENAME TO father; What happens to the foreign key after the referenced table is renamed?
正確答案: D
說明：（僅 NewDumps 成員可見）
問題2
A Data Analyst wants to use pandas code they have previously written to process a column of text and return multiple rows of parsed output for each input value. The Analyst wants to be able to join these results with other tables in a single transaction. Which type of extensibility feature should the Analyst use?
A Data Analyst wants to use pandas code they have previously written to process a column of text and return multiple rows of parsed output for each input value. The Analyst wants to be able to join these results with other tables in a single transaction. Which type of extensibility feature should the Analyst use?
正確答案: D
說明：（僅 NewDumps 成員可見）
問題3
How can a Data Analyst automatically create a table structure for loading a Parquet file?
How can a Data Analyst automatically create a table structure for loading a Parquet file?
正確答案: D
說明：（僅 NewDumps 成員可見）
問題4
While loading data into Snowflake using named file formats, a file format defined in which location has precedence?
While loading data into Snowflake using named file formats, a file format defined in which location has precedence?
正確答案: A
說明：（僅 NewDumps 成員可見）
問題5
What scheme is used by Snowflake to estimate the approximate similarity between two or more data sets?
What scheme is used by Snowflake to estimate the approximate similarity between two or more data sets?
正確答案: C
說明：（僅 NewDumps 成員可見）
問題6
A Data Analyst has a Parquet file stored in an Amazon S3 staging area. Which query will copy the data from the staged Parquet file into separate columns in the target table?
A Data Analyst has a Parquet file stored in an Amazon S3 staging area. Which query will copy the data from the staged Parquet file into separate columns in the target table?
正確答案: D
說明：（僅 NewDumps 成員可見）
問題7
A large, complicated query is used to generate a data set for a report on the most recent month. It is taking longer than expected. A review of the Query Profile shows excessive spilling. How can the performance of the query be improved WITHOUT increasing costs?
A large, complicated query is used to generate a data set for a report on the most recent month. It is taking longer than expected. A review of the Query Profile shows excessive spilling. How can the performance of the query be improved WITHOUT increasing costs?
正確答案: B
說明：（僅 NewDumps 成員可見）