Which of the following VPC connection methods can achieve private IP communication between different VPCs in the same region?
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?
Under the performance tab, in which module can users view server uptime, connection information, and buffer pool status?
Which Huawei Cloud service is used to control external access operations to virtual machines?
Which types of backup does GaussDB (for MySQL) support?
Which statements about the InnoDB engine in GaussDB (for MySQL) are correct?
Which statements about field optimization in GaussDB (for MySQL) are correct?
Which of the following services provides a dedicated public IP resource, including public IP address and outbound bandwidth?
What are the main advantages of the GaussDB (for MySQL) product?
What is the snapshot type used by GaussDB (for MySQL)?
Which statements about GaussDB (for MySQL)'s high reliability and scalability are correct?
Which of the following is a supported storage engine in GaussDB (for MySQL)?
Which statements about session killing in a database are correct?
In GaussDB (for MySQL), what is the default slow SQL threshold in seconds?
When creating a user in GaussDB (for MySQL), which symbol represents all hosts?
What is the output of the following SQL statement?
SELECT JSON_EXTRACT(10, 20, [30, 40], "$$"$$11);
GaussDB (for MySQL) is a single-process, multi-threaded database. What are the advantages of threads?
Huawei Cloud DB Security Audit supports analyzing SQL behavior by risk levels, SQL injection, blacklist statements, and unauthorized operations.
Which of the following isnotan option of the EXPLAIN command?
Which of the following is not an object included in a schema?
When using hints, different scopes apply. Which scope descriptions are correct?
The command show [session|global] status defaults to "global".
A company platform has 29 categories of products. If partitioning tables based on products, which partitioning method is recommended?
In Cloud DBA’s performance module, “Slow SQL” includes which functions?
Which are common performance bottlenecks in database servers?
When creating a GaussDB (for MySQL) instance, the system automatically creates system accounts (usable by users) to support backend O&M. Which are these accounts?
GaussDB (for MySQL) automatically backs up incremental changes every 5 minutes after the last backup.
Regarding users, roles, and permissions, which of the following descriptions isincorrect?
Which descriptions about session parameters are correct?
Which of the following descriptions about Hint optimization strategies isincorrect?
To meet data reliability requirements, GaussDB (for MySQL) can retain automatic backup recovery for up to how many days?
In GaussDB (for MySQL), user variables are session variables that can be saved and shared across sessions.
Which statements about Schema are correct?
GaussDB (for MySQL) enforces password complexity rules for new users. Which of the following passwords donotcomply?
Which are valid plan display formats?
GaussDB (for MySQL) allows backup policy configuration in Huawei Cloud Console. Which of the following cannot be modified?
What is the result of the SQL command: SELECT RPAD('hi', 5, 'u');?
Huawei Cloud's recycle bin policy is enabled by default and cannot be turned off. What is the default retention period in days?
Which factors should be considered when designing database objects?
Response time calculation model = network transmission time (request) + server processing time (one or more layers) + network transmission time (response) + frontend parsing time.
Which of the following are key operations supported by Cloud Audit (CTS) for GaussDB (for MySQL) instances?
When executing select * from processlist; to view instance-related information in GaussDB (for MySQL), which database should be used?
When creating a GaussDB (for MySQL) instance, system accounts are automatically created. Which of the following are such accounts?
Which of the following is NOT a function included in user behavior audit?
Which command can GaussDB (for MySQL) use to view server status information?
Which industries can GaussDB 100 be applied to?
Which of the following are part of GaussDB (for MySQL)'s Cloud Native design philosophy?
Which of the following statements about GaussDB (for MySQL) fault detection are correct?
Horizontal partitioning always improves query performance.
Which of the following are core functions of the UGO database migration tool?
GaussDB (for MySQL) permissions are project-level. When authorizing, the scope must be set to a project in the selected region, and only applies there.
Which methods can be used during requirements investigation?
MD5(str) returns a 128-bit checksum as a 40-character hex string.
In GaussDB (for MySQL), roles cannot log in but can execute SQL statements.
What is the impossible return value of SELECT FLOOR(7 + (RAND()*5));?
Frequent UPDATE operations can cause page splits, leading to severe fragmentation.
When performance drops sharply, Cloud DBA’s SQL module can quickly identify problematic SQL for diagnosis.
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"?
In DAS → Sessions tab → “Real-time Sessions”, users can kill system account rdsRepl.
Which of the following is the correct sequence for connecting to a GaussDB (for MySQL) instance via the internet?
When declaring a user variable, which of the following formats is correct?
Hints in GaussDB (for MySQL) mainly include which categories?
Which of the following isnota functional module of Cloud Audit?
In GaussDB (for MySQL), the Log Store is responsible for persisting logs. What is the size of the unique ID used to identify Log Store?