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1z0-908 Exam Dumps - MySQL 8.0 Database Administrator

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Question # 4

Your my.cnf file contains these settings:

You want to log queries that looked at a minimum of 5000 records and either took longer than 5 seconds to run or did not use indexes.

Which contains all the settings that you need to add to or modify the slow log configuration?

A.

min_examined_row_limit=5000

B.

long_query_time=5

log_throttle_queries_not_using_indexes=5

C.

log_throttle_queries_not_using_indexes=5

min_examined_ row_limit=5000

D.

long_query_time=5

E.

long_query_time=5

min_examined_row_limit=5000

F.

log_throttle_queries_not_using_indexes=5

G.

long_query_time=5

log_throttle_queries_not_using_indexes=5

min_examined_row_limit=5000

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Question # 5

Which four are types of information stored in the MySQL data dictionary? (Choose four.)

A.

performance metrics

B.

table definitions

C.

access control lists

D.

view definitions

E.

server runtime configuration

F.

server configuration rollback

G.

stored procedure definitions

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Question # 6

Examine this command, which executes successfully on InnoDB Cluster: dba.dropMetadataSchema()

Which two statements are true? (Choose two.)

A.

Group Replication will be dissolved and all metadata purged.

B.

Group Replication is still operational, but InnoDB Cluster must be reimported under MySQL Shell.

C.

The mysql_innodb_cluster_metadata schema is dropped from the instance where the connection was established.

D.

The command drops the mysql_innodb_cluster_metadata schema and re-creates it.

E.

The mysql_innodb_cluster_metadata schema is dropped from all reachable members of the cluster.

F.

Connections driven by MySQL Router are not affected by the command.

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Question # 7

Which two are valid uses for binary logs on a MySQL instance? (Choose two.)

A.

recording the order in which queries are issued

B.

audit of all queries

C.

point-in-time recovery

D.

replication

E.

logging the duration and locks for all queries

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Question # 8

Which three actions are effective in capacity planning? (Choose three.)

A.

buying more RAM

B.

monitoring OS resources for patterns

C.

adding circular replication nodes for increased DML capability

D.

buying more CPU

E.

buying more disk

F.

basing expected growth on an average of the last 3 years

G.

consulting the application team about any future projects and use

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