Vendor: Oracle
Exam Code: 1Z0-908
Exam Name: MySQL 8.0 Database Administrator
Certification: Oracle Certifications
Total Questions: 140 Q&A
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Updated on: Jun 19, 2026
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Examine this MySQL Shell command:
dba.rebootClusterFromCompleteOutage()
Which two statements are true? (Choose two.)
A. It reconfigures InnoDB Cluster if the cluster was stopped.
B. It performs InnoDB Cluster instances rolling restart.
C. It only starts all InnoDB Cluster instances.
D. It is not mandatory that all instances are running and reachable before running the command.
E. It stops and restarts all InnoDB Cluster instances and initializes the metadata.
F. It only stops and restarts all InnoDB Cluster instances.
G. It picks the minimum number of instances necessary to rebuild the quorum and reconfigures InnoDB Cluster.
Which three settings control global buffers shared by all threads on a MySQL server? (Choose three.)
A. sort_buffer_size
B. key_buffer_size
C. table_open_cache
D. read_buffer_size
E. innodb_buffer_pool_size
F. tmp_table_size
You are using mysqlcheck for server maintenance. Which two statements are true? (Choose two.)
A. The mysqlcheck --check --all-databases command takes table write locks while performing a series of checks.
B. The mysqlcheck --optimize --all-databases command reclaims free space from table files.
C. The mysqlcheck --repair --all-databases command can repair an InnoDB corrupted table.
D. The mysqlcheck command can be renamed mysqlrepair so that it repairs tables by default.
E. The mysqlcheck --analyze --all-databases command performs a series of checks to spot eventual table corruptions.
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