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HCIP-GaussDB-OLTP V1.5 Questions and Answers

Question 13

In the EXPLAIN command output of GaussDB (for MySQL), which Select_type values are valid?

DEPENDENT UNION: subsequent SELECTs in a UNION

DERIVED: derived table SELECT (subquery in FROM)

UNION RESULT: result of UNION

PRIMARY: outermost SELECT in query with subqueries

Question 14

Which metrics can be displayed in real-time performance?

Slow queries

DML execution count

QPS

Network traffic

Question 15

Which of the following are key operations supported by Cloud Audit (CTS) for GaussDB (for MySQL) instances?

Modify DB port

Create read-only instance

Modify parameter template

Delete DB user

Question 16

GaussDB (for MySQL) deployment supports both public cloud and hybrid cloud.

True

False