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Oracle
1Z0-888: MySQL 5.7 Database Administrator

Oracle 1Z0-888 Exam

Certification Provider: Oracle

Exam Name: MySQL 5.7 Database Administrator

Duration: 120 Minutes

Number of questions in our database: 124

Exam Version: May. 21, 2023

1Z0-888 Exam Official Topics:

Topic 1: Explain Techniques That Use The Binary Log/ Understand Initial Configuration
Topic 2: Configure Passwords And Account Expiration/ Identify Mysql Privilege System
Topic 3: Understand Server Options, Variables, And The Command Line/ Identify Installed Files And Directories
Topic 4: Identify The Causes Of Server Slowdowns/ Create And Modify User Accounts
Topic 5: Understand Authentication Plug-Ins/ Maintaining A Stable System
Topic 6: Reset A Forgotten Root Password/ Use System Variables/ Use Capacity Planning
Topic 7: Monitor Mysql With Performance Schema, Status Variables, Log Files/ Define How Mysql Uses Memory
Topic 8: Explain Operating System Security/ Understand How Mysql Processes Requests/ Understand The EXPLAIN Statement
Topic 9: Protect Against SQL Injections/ Understand Network Security
Topic 10: Explain How Mysql Stores Data/ Identify Redo And Undo Logs
Topic 11: Identify Security Risks/ Optimizing Query Performance
Topic 12: Identify Replication Threads/ Use Password Security/ Identify Slow Queries
Topic 13: Configuring A Replication Topology/ Troubleshoot Replication
Topic 14: Monitor Replication/ Start And Stop Mysql/ Configure Replication

Free Oracle 1Z0-888 Exam Actual Questions

The questions for 1Z0-888 were last updated On May. 21, 2023

Question #1

You are asked to examine user accounts and find:

Which two statements will best secure this environment? (Choose two.)

ADROP USER ''@'localhost';

BALTER USER ''@'localhost' PASSWORD = 'secret_password';

CALTER USER bob@'%' IDENTIFIED BY 'secret_password';

DALTER USER 'root'@'localhost' ACCOUNT LOCK;

EALTER USER bob PASSWORD = 'secret_password';

FREVOKE ALL PRIVILEGES FROM ''@'localhost';

Reveal Solution Hide Solution

Correct Answer: C, E

Question #2

The Performance Schema includes these tables related to status variables:

Which two facts are true about these tables? (Choose two.)

AThe variable values in global_status are the sum of those in status_by_thread grouped by the variable name.

BAll these tables have the same number of rows.

CThe global_status table is equivalent to the SHOW GLOBAL STATUS statement.

DThe variable values in status_by_account are the sum of those in status_by_host and status_by_user grouped by the variable name.

EThe session_status table is equivalent to status_by_thread for the current thread.

Reveal Solution Hide Solution

Correct Answer: D, E

Question #3

Consider:

Which statement best describes the meaning of the values in the ref columns?

Aworld.City.CountryCode is used as the primary key for the Country table.

BNo indexed columns are used to select rows from the City table. The world.City.CountryCode column is used to select rows in the Country table.

Cworld.City.CountryCode is used to sort the rows in the City table.

DNo indexed columns are used to select rows from the Country table. The world.City.CountryCode column is used to select rows in the City table.

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Correct Answer: B

Question #4

Which statement is correct about how InnoDB storage engine uses disk space?

AIt stores data in .MYD files and its index and undo information in the common tablespace.

BIt stores data in .MYD files, index information in .MYI files, and undo information the common tablespace.

CIt stores its data in tablespace file(s). Index and data dictionary details are stored in .FRM files.

DIt stores its data, index and undo information in .MYD and .MYI files.

EIt stores data, index and undo information in tablespace file(s).

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Correct Answer: E

Question #5

You have just created a replication slave from a backup of the master made with mysqldump:

You try to log in to the slave with the application user, but fail as follows:

The login works on the master.

Which two changes to the process can fix the issue?

AAfter the restore, log in to the database and execute FLUSH PRIVILEGES.

BUse the ---flush-privileges with mysqldump.

CAdd a second dump for the 'mysql' database; --all-databases does not include it.

DUse the ---grants option to include GRANT statements in the dump.

Reveal Solution Hide Solution

Correct Answer: C

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