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Huawei H13-921_V1.5 - HCIP-GaussDB-OLTP V1.5

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Total 214 questions

GaussDB (for MySQL) uses the same backup mechanism as community MySQL and supports xtrabackup for physical backups.

A.

True

B.

False

For composite indexes, B+ tree is built left-to-right.

A.

True

B.

False

Which of the following is NOT a function included in user behavior audit?

A.

Behavior clues: support quick analysis across multiple dimensions

B.

Session clues: analysis from time, DB user, client, etc.

C.

Statement clues: various filters like time, risk level, IP, etc.

D.

Slow SQL clues: support for user slow SQL queries and optimization advice

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

A.

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

B.

Query information_schema.TABLES and check the data_free value

C.

Query performance_schema.TABLES and check the data_free value

D.

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