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Snowflake ADA-C02 Exam Syllabus Topics:

Snowflake SnowPro Advanced Administrator ADA-C02 Sample Questions:

1. MY_TABLE is a table that has not been updated or modified for several days. On 01 January 2021 at 07:01, a user executed a query to update this table. The query ID is '8e5d0ca9-005e-44e6-b858-a8f5b37c5726'. It is now 07:30 on the same day.
Which queries will allow the user to view the historical data that was in the table before this query was executed? (Choose three.)

A) SELECT * FROM my_table PRIOR TO STATEMENT '8e5d0ca9-005e-44e6-b858-a8f5b37c5726';
B) SELECT * FROM TIME_TRAVEL('MY_TABLE', 2021-01-01 07:00:00);
C) SELECT * FROM my_table WITH TIME TRAVEL(OFFSET => -60*30);
D) SELECT * FROM my_table AT(TIMESTAMP => '2021-01-01 07:00:00'::timestamp);
E) SELECT * FROM my_table AT(OFFSET => -60*30);
F) SELECT * FROM my_table BEFORE(STATEMENT => '8e5d0ca9-005e-44e6-b858-a8f5b37c5726');

2. A Snowflake account is configured with SCIM provisioning for user accounts and has bi-directional synchronization for user identities. An Administrator with access to SECURITYADMIN uses the Snowflake UI to create a user by issuing the following commands:
use role USERADMIN;
create or replace role DEVELOPER_ROLE;
create user PTORRES PASSWORD = 'hello world!' MUST_CHANGE_PASSWORD = FALSE
default_role = DEVELOPER_ROLE;
The new user named PTORRES successfully logs in, but sees a default role of PUBLIC in the web UI. When attempted, the following command fails:
use DEVELOPER_ROLE;
Why does this command fail?

A) The new role can only take effect after USERADMIN has logged out.
B) USERADMIN needs to explicitly grant the DEVELOPER_ROLE to the new USER.
C) The new role will only take effect once the identity provider has synchronized by way of SCIM with the Snowflake account.
D) The DEVELOPER_ROLE needs to be granted to SYSADMIN before user PTORRES will be able to use the role.

3. What is a characteristic of Snowflake's transaction locking and concurrency modeling?

A) Transaction locking in Snowflake is enforced exclusively at the row and table levels.
B) Queries executed within a given transaction see that transaction's uncommitted changes.
C) A deadlock cannot occur in Snowflake, since concurrently executed queries and DML statements do not block one another.
D) If two queries are concurrently executed against the same table, one of the two queries will be blocked until the other query completes.

4. A Snowflake customer is experiencing higher costs than anticipated while migrating their data warehouse workloads from on-premises to Snowflake. The migration workloads have been deployed on a single warehouse and are characterized by a large number of small INSERTS rather than bulk loading of large extracts. That single warehouse has been configured as a single cluster, 2XL because there are many parallel INSERTS that are scheduled during nightly loads.
How can the Administrator reduce the costs, while minimizing the overall load times, for migrating data warehouse history?

A) The warehouse should be kept as a SMALL or XSMALL and configured as a multi-cluster warehouse to handle the parallel load queries.
B) The INSERTS should be converted to several tables to avoid contention on large tables that slows down query processing.
C) There should be another 2XL warehouse deployed to handle a portion of the load queries.
D) The 2XL warehouse should be changed to 4XL to increase the number of threads available for parallel load queries.

5. A team of developers created a new schema for a new project. The developers are assigned the role DEV_TEAM which was set up using the following statements:
USE ROLE SECURITYADMIN;
CREATE ROLE DEV_TEAM;
GRANT USAGE, CREATE SCHEMA ON DATABASE DEV_DB01 TO ROLE DEV_TEAM;
GRANT USAGE ON WAREHOUSE DEV_WH TO ROLE DEV_TEAM;
Each team member's access is set up using the following statements:
USE ROLE SECURITYADMIN;
CREATE ROLE JDOE_PROFILE;
CREATE USER JDOE LOGIN_NAME = 'JDOE' DEFAULT ROLE='JDOE_PROFILE';
GRANT ROLE JDOE_PROFILE TO USER JDOE;
GRANT ROLE DEV_TEAM TO ROLE JDOE_PROFILE;
New tables created by any of the developers are not accessible by the team as a whole.
How can an Administrator address this problem?

A) Assign usage privilege on the virtual warehouse DEV_WH to the role JDOE_PROFILE.
B) Assign ownership privilege to DEV_TEAM on the newly-created schema.
C) Set up the new schema as a managed-access schema.
D) Set up future grants on the newly-created schemas.

Solutions: