MySQL 8.0 Database Administrator (1Z0-908) exam is a professional certification offered by Oracle that validates your ability to install, configure, and maintain MySQL 8.0 databases.
: Managing user accounts, roles, and authentication plugins; implementing data-at-rest and data-in-transit encryption. Performance Tuning mysql 8.0 database administrator 1z0-908 pdf
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Given a table with 10 million rows and an index on (last_name, first_name) , which query will use the index most efficiently? A) SELECT * FROM employees WHERE last_name LIKE '%son'; B) SELECT last_name FROM employees WHERE first_name = 'John'; C) SELECT last_name, first_name FROM employees WHERE last_name = 'Smith'; D) SELECT * FROM employees WHERE last_name > 'M'; Given a table with 10 million rows and
You are using MySQL 8.0 with GTIDs. The replica has gtid_purged set incorrectly. What is the most effective way to reset the replica’s GTID execution history? A) RESET MASTER B) RESET SLAVE followed by SET GLOBAL gtid_purged='...' C) STOP REPLICA; RESET REPLICA; SET GLOBAL gtid_purged='...'; START REPLICA D) CHANGE MASTER TO MASTER_AUTO_POSITION=0
A: Approximately 75–85. No brain dump PDF can contain them all because Oracle rotates question banks monthly.