The regex function REGEXP_INSTR returns the starting index of a match. If return_option=1, it returns the last position.
What is the result of the SQL command: SELECT RPAD('hi', 5, 'u');?
Which statements about GaussDB (for MySQL) primary-standby replication are correct?
In GaussDB (for MySQL), user variables are session variables that can be saved and shared across sessions.
Which steps belong to the overall installation process?
Which of the following statements about the VACUUM FULL operation isincorrect?
When performance drops sharply, Cloud DBA’s SQL module can quickly identify problematic SQL for diagnosis.
Compared with physical backup, logical backup has the advantage of faster backup and recovery.
Which of the following statements about PLOG objects in Log Stores are correct?
Using the EXPLAIN command in GaussDB (for MySQL), which of the following isnota valid Select_type?
