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Which command can GaussDB (for MySQL) use to view server status information?

A.

print

B.

select

C.

desc

D.

show

Which of the following services provides a dedicated public IP resource, including public IP address and outbound bandwidth?

A.

VPC

B.

VPN

C.

OBS

D.

EIP

Which of the following is NOT a feature of a read-only node?

A.

Can quickly delete a read-only node

B.

Handles some write requests

C.

Can quickly be promoted to primary node

D.

Can quickly add a read-only node

DAS Enterprise Edition supports export tasks: data only, structure only, or both, in SQL or CSV format.

A.

True

B.

False

An e-commerce platform is experiencing a surge in users and needs a database architecture with optimal parallel processing and scalability. Which architecture should be enabled?

A.

Shared-Disk

B.

Shared-Memory

C.

Shared-Everything

D.

Shared-Nothing

Which statements about storage engines are correct?

A.

Different engines provide different mechanisms, indexes, lock levels, etc.

B.

Storage engine is the DBMS’s bottom layer software responsible for creation, queries, updates

C.

Storage engine determines data access mode, directly affecting read/write performance

D.

Each storage engine has unique formats, scenarios, and limitations

When purchasing GaussDB (for MySQL), storage space must be pre-planned in addition to CPU, to avoid later expansion.

A.

True

B.

False

SQL statements exceeding slow_launch_time are recorded in the slow SQL log.

A.

True

B.

False

Which of the following statements about GaussDB (for MySQL) compatibility are correct?

A.

Syntax compatibility with MySQL 8.0 and functions

B.

Development ecosystem compatibility (e.g., Hibernate, MyBatis, Druid)

C.

Tool compatibility (MySQL WorkBench, Navicat, MySQL Dumper, PL/SQL Developer)

D.

Connector compatibility (MySQL JDBC, ODBC)

In GaussDB (for MySQL), which parameter is used to control the maximum idle time for interactive connections?

A.

wait_timeout

B.

max_connections

C.

interactive_timeout

D.

connect_timeout