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Oracle 1z0-908 Exam With Confidence Using Practice Dumps

Exam Code:
1z0-908
Exam Name:
MySQL 8.0 Database Administrator
Certification:
MySQL Database Administration
Vendor:
Oracle
Questions:
140
Last Updated:
Jan 22, 2025
Exam Status:
Stable
Oracle 1z0-908

1z0-908: MySQL Database Administration Exam 2024 Study Guide Pdf and Test Engine

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MySQL 8.0 Database Administrator Questions and Answers

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Question 1

A colleague complains about slow response time on your website.

Examine this query and output:

What is the most likely cause for the high number of lock waits?

Options:

A.

You use the MyISAM storage engine for most common tables.

B.

You use the InnoDB storage engine and statements wait while data is inserted.

C.

The Innodb Buffer pool is full.

D.

Your table accesses wait for the operating system level flush.

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Question 2

Which statement is true about InnoDB persistent index statistics?

Options:

A.

Updating index statistics is an I/O expensive operation.

B.

Index statistics are calculated from pages buffered in the buffer pool for tables with InnoDB storage engine.

C.

Setting innodb_stats_auto_recalc=ON causes statistics to be updated automatically when a new index is created.

D.

Execution plans based on transient index statistics improve precision when

innodb_stats_persistent_sample_pages is increased.

E.

Increasing innodb_stats_persistent_sample_pages determines higher pages scanning speed, at the cost of increased memory usage.

F.

Tables are scanned and index statistics recalculated when an instance is restarted.

Question 3

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

Options:

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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