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MySQL Developer MySQL 8.0 Database Developer

MySQL 8.0 Database Developer

Last Update May 25, 2026
Total Questions : 65

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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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Jakub Mar 31, 2026
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2026-05-06
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