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Huawei H13-921_V1.5 Exam Syllabus Topics:

Huawei HCIP-GaussDB-OLTP V1.5 Sample Questions:

1. FETCH retrieves the current cursor row and moves to the next. If already at last row, overflow occurs.

A) False
B) True

2. Which of the following are entities?

A) Height
B) Student
C) Pilot
D) Gender

3. Which factors affect database performance?

A) Hardware
B) System scale
C) Software environment
D) Internal DB factors

4. Which of the following descriptions about Hint optimization strategies isincorrect?

A) JOIN_FIXED_ORDER: uses the FROM clause's table order as the join order
B) JOIN_ORDER: uses the specified table order as the join order
C) MAX_EXECUTION_TIME: limits the statement execution time
D) JOIN_PREFIX: uses the specified table order as thelastjoin order

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

A) Compared to MyISAM, InnoDB write performance is lower and uses more disk
B) Supports full-text indexing
C) Provides transaction safety with commit, rollback, crash recovery
D) Supports foreign keys

Solutions: