GaussDB (for MySQL) uses V5 CPU + Optane DC SSD + RDMA network hardware combo, ensuring stable and fast performance.
When performance drops sharply, Cloud DBA’s SQL module can quickly identify problematic SQL for diagnosis.
What is the output of the following SQL statement?
SELECT JSON_EXTRACT(10, 20, [30, 40], "$$"$$11);
In a 16-core, 64GB GaussDB (for MySQL) instance, what is the default size of the innodb_log_buffer_size parameter?
In GaussDB (for MySQL), the optimizer generates execution plans, which are executed by the executor.
TESTED 05 Oct 2025
