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Huawei H13-921_V1.5 Exam Syllabus Topics:

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

1. When looping over cursors, overflow can occur if end-of-data isn't checked. Which handlers can be used to control execution properly?

A) declare next handler
B) declare continue handler
C) declare exit handler
D) declare break handler

2. The regex function REGEXP_INSTR returns the starting index of a substring matching the regex. If return_option=1, it returns the last matched position.

A) False
B) True

3. Hints in GaussDB (for MySQL) mainly include which categories?

A) Specify index
B) Specify optimization strategy
C) Specify column names
D) Specify join tables

4. Which are common denormalization practices in DB design?

A) Add derived columns
B) Add redundant columns
C) Increase index count
D) Recreate tables

5. In GaussDB (for MySQL), session and connection are the same concept.

A) False
B) True

Solutions: