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Snowflake COF-R02 - SnowPro Core Recertification Exam

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Page: 5 / 10
Total 330 questions

Which of the following commands cannot be used within a reader account?

A.

CREATE SHARE

B.

ALTER WAREHOUSE

C.

DROP ROLE

D.

SHOW SCHEMAS

E.

DESCRBE TABLE

When is the result set cache no longer available? (Select TWO)

A.

When another warehouse is used to execute the query

B.

When another user executes the query

C.

When the underlying data has changed

D.

When the warehouse used to execute the query is suspended

E.

When it has been 24 hours since the last query

True or False: A Virtual Warehouse can be resized while suspended.

A.

True

B.

False

Which of the following indicates that it may be appropriate to use a clustering key for a table? (Select TWO).

A.

The table contains a column that has very low cardinality

B.

DML statements that are being issued against the table are blocked

C.

The table has a small number of micro-partitions

D.

Queries on the table are running slower than expected

E.

The clustering depth for the table is large

What transformations are supported in a CREATE PIPE ... AS COPY ... FROM (....) statement? (Select TWO.)

A.

Data can be filtered by an optional where clause

B.

Incoming data can be joined with other tables

C.

Columns can be reordered

D.

Columns can be omitted

E.

Row level access can be defined

What happens when an external or an internal stage is dropped? (Select TWO).

A.

When dropping an external stage, the files are not removed and only the stage is dropped

B.

When dropping an external stage, both the stage and the files within the stage are removed

C.

When dropping an internal stage, the files are deleted with the stage and the files are recoverable

D.

When dropping an internal stage, the files are deleted with the stage and the files are not recoverable

E.

When dropping an internal stage, only selected files are deleted with the stage and are not recoverable

Will data cached in a warehouse be lost when the warehouse is resized?

A.

Possibly, if the warehouse is resized to a smaller size and the cache no longer fits.

B.

Yes. because the compute resource is replaced in its entirety with a new compute resource.

C.

No. because the size of the cache is independent from the warehouse size

D.

Yes. became the new compute resource will no longer have access to the cache encryption key

True or False: It is possible for a user to run a query against the query result cache without requiring an active Warehouse.

A.

True

B.

False

A user has 10 files in a stage containing new customer data. The ingest operation completes with no errors, using the following command:

COPY INTO my__table FROM @my__stage;

The next day the user adds 10 files to the stage so that now the stage contains a mixture of new customer data and updates to the previous data. The user did not remove the 10 original files.

If the user runs the same copy into command what will happen?

A.

All data from all of the files on the stage will be appended to the table

B.

Only data about new customers from the new files will be appended to the table

C.

The operation will fail with the error uncertain files in stage.

D.

All data from only the newly-added files will be appended to the table.

What are ways to create and manage data shares in Snowflake? (Select TWO)

A.

Through the Snowflake web interface (Ul)

B.

Through the DATA_SHARE=TRUE parameter

C.

Through SQL commands

D.

Through the enable__share=true parameter

E.

Using the CREATE SHARE AS SELECT * TABLE command