Give Push to your Success with MySQL Developer 1Z0-909 Exam Questions [Q26-Q46]

Give Push to your Success with MySQL Developer 1Z0-909 Exam Questions

1Z0-909 100% Guarantee Download 1Z0-909 Exam PDF Q&A

NEW QUESTION 26
Which two are true about MySQL connectors?

A. Connector/Python is released in precompiled binary and source code.
B. Connector/J is based on Connector/C.
C. Connector/ODBC is available on Unix, Windows, and MacOS X.
D. Connectors must be installed on both the client and server hosts.
E. Connector/NET runs on the Windows platform only.

Answer: B,D

NEW QUESTION 27
Examine these statement which execute successfully:

Now, examine this desired output:

Which two queries will produce the out?

Answer: D,E

NEW QUESTION 28
Examine the employee table structure:

Which set of statements immediately returns empname for a given emp_id by using a parameterized prepare statement?
A)

D)

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

Answer: A

NEW QUESTION 29
Examine these commands and output:

Which is true?

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

Answer: D

NEW QUESTION 30
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. Change the user account to use mysql_native_password.
B. Disable TLS/SSL authentication.
C. Use blank RSA or SSL certificates.
D. Place this in the root directory of your shell account:
[mysqld] require__secure_transport=OFF
E. Upgrade the connector to a version that supports caching_sha2_password.

Answer: E

NEW QUESTION 31
Examine the Test.php script which is numbered for clarity, and its output:

PHP Fatal error: Uncaught Error: call to underined function mysqli_connect () in Test.php:2 Which action will fix this error?

A. Install the PHP executable in the path used by the MySQL installation.
B. Enable the mysqli extension in the php.ini file.
C. Replace line 2 with Slink = mysql.connect {"localhost: 3306n, "username", "pas "schema") ;
D. Replace line 2 With: Slink = mysql_xdevapi\getSession
("mysqlx://username:password@localhost:3306","schema");

Answer: D

NEW QUESTION 32
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. socket is a reserved word in Java.
B. Java treats the socket file as insecure.
C. The socket can only be accessed from the local host.
D. The X Dev API protocol must be enabled to use sockets in Connector/J driver.
E. The socket is not implemented in Connector/J driver.

Answer: B,E

NEW QUESTION 33
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 last_name, ' , ',first_name FROM employees;
B. SELECT CONCAT_WS(', ',last_name,first_name) FROM employees;
C. SELECT CONCAT(last name,', ',first_name) FROM employees;
D. SELECT GROUP_CONCAT(last_name, first_name) FROM employees;
E. SELECT last_name + ', ' + first_name FROM employees;

Answer: D,E

NEW QUESTION 34
Examine these statements and output:

Now, examine this command:
Mysql> ROLLBACK;
What is true about the effect of the command?

A. It returns an error because there is no active transaction.
B. It undoes the update command.
C. It has no effect.
D. It undoes the insert command.
E. It undoes both insert and update commands.

Answer: D

NEW QUESTION 35
Examine these statements:
SET collation_connection=utf8mb4_0900_as_cs;
SELECT STRCMPCAlice', UCASE ('Alice* )) ;
What is displayed?

A. ERROR: 1267 (HYOOO): Illegal mix of collations
B. NULL
C. 0
D. 1
E. 2

Answer: E

NEW QUESTION 36
Examine the contents of these tables:

Now examine the expected results for a user with privileges to access the table:

Which query returns the expected results?
A)

B)

C)

D)

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

Answer: C

NEW QUESTION 37
Examine these commands and output:

Which is true?

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

Answer: D

NEW QUESTION 38
Examine this table definition:

The table must always remain a valid document store collection. What restriction does this impose on any added column?

A. The column must be a generated column referencing any attribute of doc.
B. The column must be indexed.
C. The column must have a default value.
D. The column must be a generated column referencing only an existing attribute of doc.
E. The column must be used in a unique constraint.

Answer: A

NEW QUESTION 39
Examine the structure of the emp table:

Examine the structure of the emp_vu1 view based on the emp table:

Now, examine this statement:
mysq1> INSERT INTO emp_vul VALUES ('Alice',20000) ;
What is true about executing the statement?

A. It inserts a row in the view only.
B. It inserts a row in the emp table.
C. It returns an error because an insert operation is not allowed on views.
D. It returns an error because the PRIMARY ACCOUNT column is not selected for the view definition.

Answer: B

NEW QUESTION 40
Examine these statements issued from Session 1 which execute successfully:

Now, examine this statement issued from Session 2:

What is the outcome of the update statement in Session 2?

A. The transaction in Session 1 will be rolled back automatically.
B. A deadlock will occur.
C. The statement will wait for the transaction in Session 1 to finish.
D. The row will be updated immediately.

Answer: A

NEW QUESTION 41
You must enforce data integrity for data Inserted in a JSON column.
Which statement successfully creates a constraint in a 3SON column?

A. CREATE TABLE fshop (product JSON CHECK (JSON_VALID(product) ) ) ;
B. CREATE TABLE fshop (id INT NOT NULL AUTOINCREMENT, product JSON, PRIMARY KEY (id)) ENGINE=InnoDB;
C. CREATE TABLE fshop (id INT NOT NULL AUTO_ INCREMENT, product JSON, CHECK (id>0) ) ENGXNE=InnoDB;
D. CREATE TABLE fshop ( product JSON, f INT' GENERATED ALWAYS AS (product->"S - id") ) ;

Answer: B

NEW QUESTION 42
Examine this event's metadata:

Now examine this command:
DROP USER 'userl'e'localhost';
Which effect will the command have on the event?

A. The event is scheduled and executed but fails. The system will log an error.
B. The event will be dropped without an error or warning.
C. The event is not scheduled and will no longer execute. The system will log an error.
D. The event is scheduled but will no longer execute. The system will log an error.

Answer: D

NEW QUESTION 43
Which two differences exist between the timestamp and date time data types?

A. timestamp has larger range of values.
B. timestamp uses less storage space.
C. timestamp stores the interval between two dates.
D. timestamp stores more decimal points in seconds
E. timestamp converts the value based on the session time zone.

Answer: C,D

NEW QUESTION 44
Examine these statement which execute successfully:

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

What is true?
A)

B)

C)

D)