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

1. The regex function REGEXP_INSTR returns the starting index of a match. If return_option=1, it returns the last position.

A) True
B) False

2. The delay between read-only and primary nodes mainly comes from which of the following?

A) Small data sync between hosts
B) Read-only nodes replaying WAL
C) Read-only nodes deleting WAL
D) Read-only nodes reading logs

3. If read hit ratio is below 99%, lowering innodb_buffer_pool_size can improve cache hit rate.

A) True
B) False

4. The Com_insert and similar Com_xx parameters are used to monitor the number of different operations executed in a database instance. Which of the following commands correctly retrieves this parameter?

A) "show status Com_insert"
B) show variables Cominsert
C) "Show status like 'Com_insert';"
D) "show variables like 'Com_insert'"

5. Trigger events specify the statements that activate triggers. Which are included?

A) UPDATE
B) CREATE
C) INSERT
D) DELETE

Solutions: