Q85. When querying information_schema.TABLES, which parameter indicates the size of table fragmentation?

Q86. In the failover process of GaussDB (for MySQL), when can the new host officially start providing write operations to clients?

Q87. Huawei Cloud DAS (Cloud DBA) provides intelligent monitoring, diagnostics, and optimization to ensure stable DB operation.

Q88. Log Store uses append-only storage. Like Page Store, it also produces holes.

Q89. DRS provides complete heterogeneous database migration to the cloud, ensuring smooth business cutover.

Q90. In GaussDB (for MySQL), session and connection are the same concept.

Q91. Which types of backup does GaussDB (for MySQL) support?

Q92. Which of the following is not an object included in a schema?

Q93. When using security group functionality, which of the following is not a configurable setting?

Q94. Horizontal partitioning always improves query performance.

Q95. Creating partitioned tables is a form of vertical partitioning.

Q96. SQL statements exceeding slow_launch_time are recorded in the slow SQL log.

Q97. GaussDB (for MySQL) and GaussDB (openGauss) are both relational databases.

Q98. Hints in GaussDB (for MySQL) mainly include which categories?

Q99. To elastically scale read capacity and reduce GaussDB (for MySQL) pressure, read-only nodes can be created. Which statements are correct?

Q100. Using the EXPLAIN command in GaussDB (for MySQL), which of the following isnota valid Select_type?