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Huawei H13-921_V1.5 Exam Syllabus Topics:

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

1. Which of the following are correct about read-only nodes?

A) Support creating and deleting databases
B) Provide performance monitoring
C) Specs are consistent with the cluster
D) No need to manage accounts/databases, sync from primary

2. Which of the following are common SQL tuning practices?

A) For large data inserts, drop indexes and constraints first
B) Always use SELECT statements
C) Use LIMIT when querying a single record
D) Minimize use of GROUP BY

3. Read-only nodes replay WAL and read Page Store to sync with the primary node's memory state, including active transactions and buffer pool.

A) True
B) False

4. The EXPLAIN command can be used to view the execution plan of SQL statements. In the execution plan, Type indicates the access method to the table. Which of the following is not a valid Type value?

A) Full
B) ALL
C) Range
D) NULL

5. The MyISAM engine supports tables with different storage formats. Which are supported?

A) Static tables
B) Temporary tables
C) Compressed tables
D) Dynamic tables

Solutions: