Changed H13-921_V1.5 Exam Questions

UGO (DB & App Migration) is a professional cloud service for heterogeneous DB structure migration and SQL conversion.

The parameter innodb_log_buffer_size is used to set the size of the InnoDB log buffer, primarily to improve I/O performance for writing logs. What is the default size in a 16-core, 64GB GaussDB (for MySQL) instance?

FETCH retrieves the current cursor row and moves to the next. If already at last row, overflow occurs.

MD5(str) returns a 128-bit checksum as a 40-character hex string.