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MySQL Developer MySQL 8.0 Database Developer

MySQL 8.0 Database Developer

Last Update Feb 11, 2026
Total Questions : 65

To help you prepare for the 1z0-909 Oracle exam, we are offering free 1z0-909 Oracle exam questions. All you need to do is sign up, provide your details, and prepare with the free 1z0-909 practice questions. Once you have done that, you will have access to the entire pool of MySQL 8.0 Database Developer 1z0-909 test questions which will help you better prepare for the exam. Additionally, you can also find a range of MySQL 8.0 Database Developer resources online to help you better understand the topics covered on the exam, such as MySQL 8.0 Database Developer 1z0-909 video tutorials, blogs, study guides, and more. Additionally, you can also practice with realistic Oracle 1z0-909 exam simulations and get feedback on your progress. Finally, you can also share your progress with friends and family and get encouragement and support from them.

Questions 2

Examine these MySQL Shell statements:

Questions 2

What is the true about the attempts to add document to the collection?

Options:

A.  

All documents are added without any error or warning.

B.  

First three documents are added, then different number of fields cause an error.

C.  

First two documents are added, then mismatched field names cause an error.

D.  

First two documents are added, then mismatched field names cause a warning.

E.  

All documents are added and cause a warning.

Discussion 0
Questions 3

Examine these commands and output:

Questions 3

Questions 3

Which is true about the execution of the insert statement?

Options:

A.  

It returns an error.

B.  

It inserts a row in the view and base table.

C.  

It inserts a new row in the base table only.

D.  

It inserts a new row in the view only.

Discussion 0
Questions 4

Which select statement returns true?

Options:

A.  

SELECT NULL <> NULL;

B.  

SELECT NULL <=> NULL;

C.  

SELECT NULL = NULL;

D.  

SELECT NULL := NULL;

Discussion 0
Questions 5

A server hosts MySQL Server and Apache Webserver supporting a PHP/PDO based application.

The application must be migrated from PHP to their Java application server on another host. The MySQL instance remains on the original host.

Examine the PDO connection string used in the existing application:

Mysql:host-localhost;dbname=sales;unix_socket=/var/run/mysql.sock

Which two prevent Java from using the Unix socket?

Options:

A.  

The X Dev API protocol must be enabled to use sockets in Connector/J driver.

B.  

The socket is not implemented in Connector/J driver.

C.  

The socket can only be accessed from the local host.

D.  

socket is a reserved word in Java.

E.  

Java treats the socket file as insecure.

Discussion 0
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