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Databricks-Certified-Data-Analyst-Associate Exam Dumps - Databricks Certified Data Analyst Associate Exam

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Question # 9

How can a data analyst determine if query results were pulled from the cache?

A.

Go to the Query History tab and click on the text of the query. The slideout shows if the results came from the cache.

B.

Go to the Alerts tab and check the Cache Status alert.

C.

Go to the Queries tab and click on Cache Status. The status will be green if the results from the last run came from the cache.

D.

Go to the SQL Warehouse (formerly SQL Endpoints) tab and click on Cache. The Cache file will show the contents of the cache.

E.

Go to the Data tab and click Last Query. The details of the query will show if the results came from the cache.

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Question # 10

A data analyst has been asked to count the number of customers in each region and has written the following query:

If there is a mistake in the query, which of the following describes the mistake?

A.

The query is using count('). which will count all the customers in the customers table, no matter the region.

B.

The query is missing a GROUP BY region clause.

C.

The query is using ORDER BY. which is not allowed in an aggregation.

D.

There are no mistakes in the query.

E.

The query is selecting region but region should only occur in the ORDER BY clause.

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Question # 11

A data analyst has been asked to use the below tablesales_tableto get the percentage rank of products within region by the sales:

The result of the query should look like this:

Which of the following queries will accomplish this task?

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Question # 12

A data analysis team is working with the table_bronze SQL table as a source for one of its most complex projects. A stakeholder of the project notices that some of the downstream data is duplicative. The analysis team identifies table_bronze as the source of the duplication.

Which of the following queries can be used to deduplicate the data from table_bronze and write it to a new table table_silver?

A)

CREATE TABLE table­_silver AS

SELECT DISTINCT *

FROM table_bronze;

B)

CREATE TABLE table_silver AS

INSERT *

FROM table_bronze;

C)

CREATE TABLE table_silver AS

MERGE DEDUPLICATE *

FROM table_bronze;

D)

INSERT INTO TABLE table_silver

SELECT * FROM table_bronze;

E)

INSERT OVERWRITE TABLE table_silver

SELECT * FROM table_bronze;

A.

Option A

B.

Option B

C.

Option C

D.

Option D

E.

Option E

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Question # 13

A data analyst creates a Databricks SQL Query where the result set has the following schema:

region STRING

number_of_customer INT

When the analyst clicks on the "Add visualization" button on the SQL Editor page, which of the following types of visualizations will be selected by default?

A.

Violin Chart

B.

Line Chart

C.

IBar Chart

D.

Histogram

E.

There is no default. The user must choose a visualization type.

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