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H13-921_V1.5 Exam Dumps - HCIP-GaussDB-OLTP V1.5

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Question # 49

Which of the following are Huawei Cloud’s database management tools?

A.

DAS

B.

DRS

C.

DBSS

D.

UGO

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Question # 50

Frequent UPDATE operations can cause page splits, leading to severe fragmentation.

A.

True

B.

False

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Question # 51

Which of the following statements is correct?

A.

EXPLAIN can show the effect of triggers, stored procedures, and user-defined functions on a query

B.

EXPLAIN considers cache

C.

EXPLAIN shows the database’s optimization operations during query execution

D.

The statistics produced by EXPLAIN are estimates, not exact values

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Question # 52

EXPLAIN cannot show the impact of triggers, stored procedures, or user-defined functions.

A.

True

B.

False

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Question # 53

When declaring a user variable, which of the following formats is correct?

A.

~variable_name

B.

@variable_name

C.

^variable_name

D.

%variable_name

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Question # 54

GaussDB (for MySQL) uses snapshots for both full and incremental backups, with second-level creation efficiency.

A.

True

B.

False

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Question # 55

Which of the following is the correct sequence for connecting to a GaussDB (for MySQL) instance via the internet?

A.

2341

B.

3214

C.

2314

D.

3124

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Question # 56

In GaussDB (for MySQL), the Log Store is responsible for persisting logs. What is the size of the unique ID used to identify Log Store?

A.

12 bytes

B.

24 bytes

C.

48 bytes

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