Online Access Free Huawei.H13-921_V1.5.v2026-02-05.q102 Practice Test (Page 2)

GaussDB (for MySQL) currently only supports the InnoDB storage engine.

A.False

B.True

Which statements about the InnoDB engine in GaussDB (for MySQL) are correct?

A.Supports foreign keys

B.Supports full-text indexing

C.Provides transaction safety with commit, rollback, crash recovery

D.Compared to MyISAM, InnoDB write performance is lower and uses more disk

When using "Full SQL Insight," DAS must be enabled to collect all SQL. After enabling, what is the performance overhead within?

A.3%

B.2%

C.5%

D.4%

GaussDB (for MySQL) is a single-process, multi-threaded database. What are the advantages of threads?

A.Easier creation/management, no memory allocation overhead

B.Easier creation/management, no merge overhead

C.Misbehaving threads won't affect the entire system

D.Fast context switching

When using hints, different scopes apply. Which scope descriptions are correct?

A.Query block: affects a specific query block

B.Global: affects entire statement

C.Index-level: affects an index in a table

D.Table-level: affects a table in a block

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