GET Real Oracle 1Z0-922 Exam Questions With 100% Refund Guarantee Aug 01, 2025 [Q159-Q174]

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GET Real Oracle 1Z0-922 Exam Questions With 100% Refund Guarantee Aug 01, 2025

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NO.159 Which statement would you use to grant a user access to a specific database?

GRANT ALL PRIVILEGES ON database_name.* TO ‘user’@’host’;

GRANT SELECT, INSERT ON *.* TO ‘user’@’host’;

GRANT ALL PRIVILEGES TO ‘user’;

GRANT SELECT, INSERT ON database_name.* TO ‘user’@’host’;

The statement GRANT SELECT, INSERT ON database_name.* allows the specified user to perform SELECT and INSERT operations on all tables within the specified database. Granting privileges at the database level restricts access to only that database.

NO.160 Which file format should be used to store InnoDB table data separately from the shared tablespace?

.csv

.ibd

.frm

.MYD

InnoDB tables can store their data in separate .ibd files if the innodb_file_per_table option is enabled. These files contain both the table data and indexes for each table.

NO.161 Which MySQL datatype would you use to store binary data such as images, videos, or files?

TEXT

BLOB

CHAR

VARCHAR

The BLOB (Binary Large Object) datatype is used to store large binary data such as images, videos, or other multimedia files. TEXT is used for large text fields, and CHAR/VARCHAR are for strings.

NO.162 What is the default replication mode used in MySQL when no specific replication mode is configured?

Synchronous replication

Semi-synchronous replication

Asynchronous replication

Multi-source replication

The default replication mode in MySQL is asynchronous replication, where the primary server commits changes without waiting for confirmation from the replicas.

NO.163 Which of the following types of joins will include all rows from the left table, even if there is no match in the right table?

FULL OUTER JOIN

INNER JOIN

LEFT JOIN

CROSS JOIN

A LEFT JOIN returns all rows from the left table and the matching rows from the right table. If there is no match, the result will still include rows from the left table with NULL values for columns from the right table.

NO.164 What does MySQL Router do in a MySQL InnoDB Cluster environment?

It stores database backups

It routes client connections to available MySQL server instances

It performs automatic schema migrations

It handles query optimization for replicas

MySQL Router is responsible for routing client connections to available and healthy nodes in the MySQL InnoDB Cluster. It helps ensure high availability by routing traffic to active servers in case of failure.

NO.165 Which statement would you use to list all privileges granted to a MySQL user?

SHOW GRANTS FOR ‘user’@’host’;

SELECT * FROM mysql.user;

DESCRIBE mysql.privileges;

SHOW ALL PRIVILEGES FOR ‘user’@’host’;

The SHOW GRANTS FOR ‘user’@’host’; statement lists all privileges granted to the specified user.

NO.166 What does the UNIQUE constraint ensure when applied to a column in a MySQL table?

The column can contain only one specific value

The column cannot contain NULL values

The column values must be unique across all rows

The column cannot be indexed

The UNIQUE constraint ensures that all values in the column are unique across all rows in the table, preventing duplicate entries.

NO.167 What does MySQL Enterprise Backup provide that is not available with the Community Edition?

Backup scheduling

Point-in-time recovery

Real-time query analysis

Integration with LDAP

MySQL Enterprise Backup offers advanced features such as point-in-time recovery, which allows you to restore the database to a specific time. This feature is critical for disaster recovery and is not available in the Community Edition.

NO.168 Which MySQL tool allows administrators to monitor resource usage such as memory, CPU, and disk I/O?

Performance Schema

MySQL Query Optimizer

MySQL Enterprise Backup

MySQL Replication

Performance Schema provides detailed insights into the server’s resource usage, including memory, CPU, and disk I/O, allowing administrators to monitor and optimize MySQL performance.

NO.169 What does the WITH GRANT OPTION clause do in a GRANT statement?

It grants a user the ability to pass on their privileges to others

It allows a user to modify their own privileges

It removes all privileges from the user

It grants all privileges to a user

The WITH GRANT OPTION clause allows a user to pass on any privileges they have been granted to other users.

NO.170 Which two components are integral to the HeatWave architecture?

HeatWave nodes

Data nodes

MySQL Enterprise Backup

MySQL Query Cache

The HeatWave architecture includes HeatWave nodes, which process analytic queries, and data nodes, which store data for in-memory processing. These components work together to optimize query performance.

NO.171 What happens when you install MySQL Enterprise Server using the default configuration?

All users are assigned full administrative privileges

InnoDB becomes the default storage engine

The my.cnf file is not created automatically

MyISAM becomes the default storage engine

InnoDB is the default storage engine for MySQL installations. It is known for its support for transactions and foreign key constraints, making it the preferred storage engine for most applications.

NO.172 Which MySQL InnoDB Cluster configuration ensures that all nodes must apply changes before a transaction is considered committed?

Asynchronous replication

Multi-source replication

Synchronous replication

Semi-synchronous replication

Synchronous replication in MySQL InnoDB Cluster ensures that all nodes have applied the changes before a transaction is considered committed. This guarantees data consistency across the entire cluster.

NO.173 Which two tables in the mysql database store information about user privileges?

user

tables_priv

columns_priv

The user and db tables in the mysql database store information about user privileges. The user table stores global privileges, while the db table stores database-level privileges.

NO.174 What is the default file format used by InnoDB tables in MySQL 8.0?

Antelope

Barracuda

Redo

CSV

In MySQL 8.0, the default file format for InnoDB tables is Barracuda, which supports advanced features like compressed tables and dynamic row formats.

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