Free Huawei H13-921_V1.5 Practice Test & Real Exam Questions
Using DROP USER must be cautious because deleted objects cannot be recovered even if interrupted.
Correct Answer: B
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Which methods can be used during requirements investigation?
Correct Answer: A,B,D
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The frequency of flushing logs from the buffer to disk is related to the parameter innodb_flush_log_at_trx_commit. Which value means "write log buffer data to log file and flush to disk every second"?
Correct Answer: B
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What are the main advantages of the GaussDB (for MySQL) product?
Correct Answer: A,B,C,D
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The frequency of flushing the log from buffer to disk is related to the parameter innodb_flush_log_at_trx_commit. If you want to flush the log buffer and write it to disk every time a transaction is committed, what should the parameter value be?
Correct Answer: A
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The Data Management Service (DAS) is used for logging into and operating cloud databases on Huawei Cloud. Which of the following versions isnotprovided by DAS?
Correct Answer: D
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When querying information_schema.TABLES, which parameter indicates the size of table fragmentation?
Correct Answer: C
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Slow query logs in GaussDB (for MySQL) are controlled by slow_query_log. 0/OFF disables, 1/ON enables.
Correct Answer: B
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In execution plans, the id indicates SELECT sequence number. Larger IDs execute first; same IDs execute top to bottom.
Correct Answer: B
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