Oracle 1z1-882 Actual Tests : Oracle Certified Professional, MySQL 5.6 Developer

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Oracle Certified Professional, MySQL 5.6 Developer: Your Questions, Answered

Oracle Certified Professional, MySQL 5.6 Developer Sample Questions:

Question 1

You want to use the SHA -256 Authentication plugin with Connector/J.
Which two parameter settings achieve this?

A. defaultAuthenticationplugin=com.mysql.jdbc.authentication.MysqlNativepasswordplugin
B. Authenticationplugins=com,mysql,authentication,mysqlNativepasswordplugin
C. defaultAuthenticationplugin=com.mysql.jdbc.authentication.sha256passwordplugin
D. Authenticationplugins=com.mysql.jdbl.jdbc.authentication.sha256passwordplugin,com.mysql.jdbc

Question 2

When working with stored routines, these details are available:
The affected -rows count
The number of conditions that occurred
The condition information, such as the error code and message
Where can you find these default?

A. In the Error area, which can be accessed with the help of the SHOW ERRORS statement
B. In the Diagnostics area, part, of which can be stored in user-defined or routine variables
C. In the Handler area, defined in the DECLARE handler_action HANDLER block in a stored routine
D. In the Signal area, which is set with the help of the SIGNAL statement in a stored routine

Question 3

You have two tables:
CREATE TABLE department (
Department_ID int unsigned NOT NULL auto_increment PRIMARY KEY,
Department _Name varchar(12) NOT NULL
) ENGINE=InnoDB
CREATE TABLE employee (
Employee_Number int unsigned NOT NULL PRIMARY KEY,
Employee_Name varchar(10) NOT NULL,
Department_ID int unsigned DEFAULT NULL,
FOREIGN KEY (Department ID) REFERENCES Department (Department_ID)
ON UPDATE SET NULL ON DELETE CASCADE
)ENGINE= InnoDB
The tables have the data:
Department

You execute the statement:
REPLACE INTO department (Department_ID, Department_Name) VALUES (1, 'Admin');
What data is in the employee table after the statement?

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

Question 4

You have created your connector/Net object to connect to MySQL.
What are three valid database operations you can call?

A. PreformReadonly, performNonQuery,perforIndexRead
B. ExecuteReader, ExecuteNonQuery, ExecuteScalar
C. Query, Execute.MySql, Read. Execute. MySQl, Execute,Mysql
D. Insert Mysql, UpdateMysql,DeleteMysql
E. Query .Apply ,Mysql.Delete.Mysql,Query. Update .Mysql

Question 5

Inspect the query:
Mysql>SELECT dept_no, emp_no FROM employees JOIN dept _manager USING(emp_no) WHERE dept_no'd004';

4 rows in set (0.00 sec)
Mysql>EXPLAIN SELECT dept_no, emp_no FROM employees JOIN dept_manager USING (emp_no) WHERE
dept_no='d004';

2 rows in set (0.00 sec)
Which two statements are true about the EXPLAIN output?

A. The dept_manager table has 4 times as many rows than the employees table.
B. All data for the result is read from the indexex.
C. The PRIMARY KEY is used for filtering in both tables.
D. The minimal number of rows possible are read.

Solutions: