[2023] Use Valid New Free 1z1-909 Exam Dumps & Answers [Q28-Q43]

[2023] Use Valid New Free 1z1-909 Exam Dumps & Answers

1z1-909 Braindumps PDF, Oracle 1z1-909 Exam Cram

Oracle 1z1-909 Exam Syllabus Topics:

Topic	Details
Topic 1	Explain application development with NoSQL and XDevAPI Handle and interpret errors and warnings
Topic 2	Use MySQL Shell to access document stores Retrieve data from the database by using a connector
Topic 3	Store and process spatial data Design, create, and alter views
Topic 4	Schedule database operations Store and process temporal data
Topic 5	Create and execute stored routines MySQL Schema Objects and Data
Topic 6	Understand locking mechanisms within MySQL Control transactions in applications
Topic 7	Explain the programming constructs used in stored routines Choose between connectors for a given application
Topic 8	Rewrite queries for optimization Store and process string data
Topic 9	Demonstrate connector use, management and configuration Secure credentials and connections

NEW QUESTION 28
Examine these statements which execute successfully:

Now, examine this query:

What is the result?

A. It fails with a warning.
B. It inserts a row with no error or warning.
C. It fails with an error.
D. It inserts a row with a warning.
E. It inserts a row with an error.

Answer: B

NEW QUESTION 29
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 C
D. Option A

Answer: A

NEW QUESTION 30
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 returns an error because the PRIMARY ACCOUNT column is not selected for the view definition.
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 inserts a row in the view only.

Answer: B

NEW QUESTION 31
Examine these statement which execute successfully:

Now, examine this desired output:

Which two queries will produce the out?

Answer: A,E

NEW QUESTION 32
How does InnoDB choose deadlock victims in MySQL?

A. It chooses the transaction with the lowest transaction ID.
B. It chooses the transaction with the most modified rows.
C. It chooses the transaction with the most accumulated CPU time.
D. It chooses the transaction with the least accumulated CPU time.
E. It chooses the transaction randomly.
F. It chooses the transaction with the fewest modified rows.

Answer: E

NEW QUESTION 33
Examine these statement which execute successfully:

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

What is true?
A)

B)

C)

D)

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

Answer: C

NEW QUESTION 34
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 is not scheduled and will no longer execute. The system will log an error.
C. The event is scheduled but will no longer execute. The system will log an error.
D. The event will be dropped without an error or warning.

Answer: C

NEW QUESTION 35
Examine these statements issued from Session 1 which execute successfully:

Now, examine these statements issued from Session 2 which execute successfully:
Session 2>
BEGIN;
UPDATE band SET song=CONCAT ("Here Comes the ", song) WHERE song LIKE ' %Sun ; Which two are true?

A. Session 1 must commit before the update in Session 2 can complete.
B. Session 1 does not block Session 2.
C. Session 2 does not start a transaction.
D. Statements in Session 2 are committed.
E. Session 1 takes a shared lock on all the rows in the band table.
F. Session 2 takes an exclusive lock on all the rows in the band table.

Answer: A,D

NEW QUESTION 36
Examine this bar graph based on columns from the players table:

Which two statements would generate this bar graph?

A. SELECT Name, Gender, Sport, LENGTH (GPA*10, '# ') AS GPA_Graph FROM players ORDER BY GPA DESC;
B. SELECT Name, Gender, Sport, REPEAT('# 'Y GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;
C. SELECT Name, Gender, Sport, RPAD ('# ' GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;
D. SELECT Name, Gender, Sport, CHAR_LENGTH ('# ' GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;
E. SELECT Name, Gender, Sport, CONCAT ('# ' GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

Answer: A,C

NEW QUESTION 37
Examine these commands which execute successfully in the sequence shown in Sessions S1 and S2:

Now, examine this statement that execute successfully in s1:
S1> SELECT * FROM emp;
Which is true about the result of the select statement?

A. The inserted row is returned because the transaction is auto committed in S2.
B. The inserted row is not returned because the isolation level is READ COMMITTED in S2.
C. The inserted row is not returned because the transaction still active in s2.
D. The inserted row is returned because the isolation level is RPEATABLE READ in S1.

Answer: C

NEW QUESTION 38
Examine this statement and output:

What causes the error?

A. The set local_infile option has not been enabled.
B. The database server process does not have sufficient privilege.
C. The database user does not have sufficient privilege.
D. The database client process does not have sufficient privilege.
E. The engine is disabled.
F. The database server is running in read-only mode.

Answer: B

NEW QUESTION 39
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 B
B. Option D
C. Option A
D. Option C

Answer: C

NEW QUESTION 40
Examine the content of the employee table:

Now examine this PHP script:

Finally examine this desired output:

A. $options = [PDO:: ATTR_DEFAUXT_FETCH__MODE => PDO: : PDO: :FETCH_OBJ] ;
B. $options = [PDO:: ATTR_DEFAOLT_FETCH__MODE => PDO : : FETCH_BOTH] ;
C. $options = [PDO:: ATTR__DEFAULT_FETCH MODE => PDO: :FETCH_CLASS] ;
D. $options = [PDO:: ATTR_DEFAULT_FETCH__MODE => PDO: : FETCH_ASSOC] ;

Answer: B

NEW QUESTION 41
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?