1z1-909 試験問題を無料オンラインアクセス

The variables c and d are declared as integer types.
Examine these initialization statements with placeholder value <p1>, which execute successfully:
Now, examine this loop which executes successfully:

Which loop results in the same value of d for all valid values of <p1>?
A)

B)

C)

• A.Option D
• B.Option C
• C.Option B
• D.Option A

Examine the appointments table definition which contains one million rows:

Now, examine this statement which executes successfully:

Which statement will improve query performance?

• A.ALTER TABLE appointments add index IX_1(credit,payment)
• B.ALTER TABLE appointments add index IX_2(attendant_session_id, created_by)
• C.ALTER TABLE appointments add index IX_4<attendant_id, payment, credit)
• D.ALTER TABLE appointments add index IX_3(attendant_id, created_by)

Examine these statement which execute successfully:

Now, examine the statements executed in the mysqi command-line client:

What is true?

• A.
• B.
• C.
• D.

Examine this statement:
DECLARE not_found CONDITION FOR SQLSTATE '02000';
In which two statements can not found be used?

• A.in a leave statement to exit a loop
• B.in an if statement
• C.in a signal statement
• D.in a handler declaration
• E.in a while loop

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?

• A.The socket can only be accessed from the local host.
• B.The X Dev API protocol must be enabled to use sockets in Connector/J driver.
• C.Java treats the socket file as insecure.
• D.The socket is not implemented in Connector/J driver.
• E.socket is a reserved word in Java.