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The Oracle 1z1-909 (MySQL 8.0 Database Developer) Certification Exam is a rigorous exam that requires candidates to demonstrate their knowledge and expertise in a variety of areas. The exam consists of multiple-choice questions and performance-based tasks that require candidates to apply their knowledge in a real-world scenario. To prepare for the exam, candidates can take advantage of Oracle's training and certification resources, which include online courses, practice exams, and study guides.

The Oracle 1Z0-909 exam is an important certification for database developers who want to demonstrate their skills and knowledge in MySQL 8.0. By earning this certification, candidates can show employers and clients that they have the expertise to design, develop, and maintain MySQL 8.0 databases that meet the needs of modern businesses.

The Oracle 1Z0-909 exam is a certification exam for MySQL 8.0 Database Developers. It is designed to test the knowledge and skills of individuals who are interested in developing applications using MySQL 8.0 databases. The exam covers a wide range of topics, including database design, data manipulation, security, and performance tuning. Passing this exam demonstrates that you have the necessary skills and knowledge to work with MySQL 8.0 databases and develop applications that are efficient, secure, and reliable.

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Oracle - 1z1-909 - MySQL 8.0 Database Developer Reliable Dumps Questions

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Oracle MySQL 8.0 Database Developer Sample Questions (Q14-Q19):

NEW QUESTION # 14
You must write a statement that combines the first_name and last_name columns from the employees table as "last_name, first_name." Which two statements will do this?

  • A. SELECT GROUP_CONCAT(last_name, first_name) FROM employees;
  • B. SELECT CONCAT_WS(', ',last_name,first_name) FROM employees;
  • C. SELECT last_name + ', ' + first_name FROM employees;
  • D. SELECT CONCAT(last name,', ',first_name) FROM employees;
  • E. SELECT last_name, ' , ',first_name FROM employees;

Answer: B,D


NEW QUESTION # 15
Examine these commands and output:
1z0-909-68a6d026640d56698cb59c0c2dab44e0.jpg
Which is true?

  • A. It returns an error because the DROP TABLE statement did not drop the view.
  • B. A new view is created because the previous was dropped on execution of the drop table statement.
  • C. Existing emp_vuL is dropped and a new emp_vu1 created with the new definition.
  • D. It returns an error because the CREATE TABLE statement automatically recreated the view.

Answer: A


NEW QUESTION # 16
Which change will prevent negative ages to be inserted into the people table?

  • A. DELIMITER //
    CREATE TRIGGER agecheck BEFORE INSERT ON people FOR EACH ROW IF NEW. age < 0 THEN SET NEW.age =0; END IF;// DELIMITER ;
  • B. DELIMITER //
    CREATE TRIGGER age check AFTER INSERT ON people FOR EACH ROW IF NEW. age < 0 THEN SET NEW.age =0; END IF;// DELIMITER;
  • C. ALTER TABLE people ADD CONSTRAINT check_age CHECK (ABS(age)>=0);
  • D. ALTER TABLE people ADD COLUMN valid_age=ABS(check_age) GENERATED ALWAYS;

Answer: C


NEW QUESTION # 17
Your program which uses a MySQL connector receives this error:
Client does not support authentication protocol request by server
The account running the program uses caching_sha2_password.
Which two resolve this conflict?

  • A. Use blank RSA or SSL certificates.
  • B. Upgrade the connector to a version that supports caching_sha2_password.
  • C. Change the user account to use mysql_native_password.
  • D. Disable TLS/SSL authentication.
  • E. Place this in the root directory of your shell account:
    [mysqld] require__secure_transport=OFF

Answer: B


NEW QUESTION # 18
Your program which uses a MySQL connector receives this error:
Client does not support authentication protocol request by server
The account running the program uses caching_sha2_password.
Which two resolve this conflict?

  • A. Use blank RSA or SSL certificates.
  • B. Change the user account to use mysql_native_password.
  • C. Upgrade the connector to a version that supports caching_sha2_password.
  • D. Disable TLS/SSL authentication.
  • E. Place this in the root directory of your shell account:
    [mysqld] require__secure_transport=OFF

Answer: B,C


NEW QUESTION # 19
......

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