Vce H13-921_V1.5 Questions Latest

HCIP-GaussDB-OLTP V1.5 Questions and Answers

Question 25

Which of the following descriptions about Hint optimization strategies isincorrect?

JOIN_PREFIX: uses the specified table order as thelastjoin order

JOIN_FIXED_ORDER: uses the FROM clause's table order as the join order

JOIN_ORDER: uses the specified table order as the join order

MAX_EXECUTION_TIME: limits the statement execution time

Question 26

DAS Enterprise Edition defines three types of user roles. Which of the following isnota role in DAS Enterprise Edition?

System Administrator

DBA

Security Administrator

Regular User

Question 27

Compared to RDS for MySQL, GaussDB (for MySQL) has no standby nodes; all read-only are active and handle read traffic, improving utilization.

True

False

Question 28

Which of the following methods cannot be used to view a table's fragmentation rate?

Use the “Space” function in Cloud DBA to clearly view the fragmentation rate

Query information_schema.TABLES and check the data_free value

Query performance_schema.TABLES and check the data_free value

Use the command SHOW TABLE STATUS LIKE 'table_name' and check the data_free value