Pass Exam With Full Sureness - 1Z0-909 Dumps with 66 Questions [Q21-Q45]

Pass Exam With Full Sureness - 1Z0-909 Dumps with 66 Questions

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Oracle 1Z0-909 Exam Syllabus Topics:

Topic	Details
Topic 1	Demonstrate connector use, management and configuration Secure credentials and connections
Topic 2	Analyze queries for optimization Aggregate and summarize data Data-driven Applications
Topic 3	Explain the programming constructs used in stored routines Choose between connectors for a given application
Topic 4	Explain application development with NoSQL and XDevAPI Handle and interpret errors and warnings
Topic 5	Rewrite queries for optimization Store and process string data
Topic 6	Resolve consistency problems with isolation levels Set SQL Modes to change MySQL behavior
Topic 7	Store and process spatial data Design, create, and alter views
Topic 8	Use MySQL Shell to access document stores Retrieve data from the database by using a connector
Topic 9	Create and execute stored routines MySQL Schema Objects and Data

NEW QUESTION 21
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 is not implemented in Connector/J driver.
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 can only be accessed from the local host.
E. socket is a reserved word in Java.

Answer: A,C

NEW QUESTION 22
Examine this statement:
DECLARE not_found CONDITION FOR SQLSTATE '02000';
In which two statements can not found be used?

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

Answer: B,E

NEW QUESTION 23
Examine the output:

Which explain command will obtain the output?

A. EXPLAIN PORMAT=JSON
B. EXPLAIN FORMAT=TREE
C. EXPLAIN PARTITIONS
D. EXPLAIN PORMAT^TRADITIONAL
E. EXPLAIN ANALYZE

Answer: A

NEW QUESTION 24
Examine these commands which execute successfully:
mYsql> CREATE TABLE income (acct_num INT, amount DECIMAL(10,2));
mysql> CREATE TRIGGER subtotal BEFORE INSERT ON income
FOR EACH ROW SET @subtotal = subtotal + NEW.amount;
Which is true for the income table?

A. Execution of an insert statement causes the trigger to activate.
B. The trigger activates after any row has been inserted into the table.
C. The trigger body set causes trigger activation.
D. The trigger activates after any row in the table has been updated.

Answer: A

NEW QUESTION 25
Examine these statements which execute successfully:

Now, examine this query:

What is the result?

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

Answer: A

NEW QUESTION 26
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. Place this in the root directory of your shell account:
[mysqld] require__secure_transport=OFF
C. Change the user account to use mysql_native_password.
D. Disable TLS/SSL authentication.
E. Upgrade the connector to a version that supports caching_sha2_password.

Answer: E

NEW QUESTION 27
Examine these commands and output:

Which is true about the execution of the insert statement?

A. It inserts a new row in the view only.
B. It inserts a new row in the base table only.
C. It returns an error.
D. It inserts a row in the view and base table.

Answer: A

NEW QUESTION 28
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. Replace line 2 With: Slink = mysql_xdevapi\getSession
("mysqlx://username:password@localhost:3306","schema");
B. Install the PHP executable in the path used by the MySQL installation.
C. Enable the mysqli extension in the php.ini file.
D. Replace line 2 with Slink = mysql.connect {"localhost: 3306n, "username", "pas "schema") ;

Answer: C

NEW QUESTION 29
Which two differences exist between the timestamp and date time data types?

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

Answer: B,C

NEW QUESTION 30
Examine this statement and output:

You execute this statement:
SELECT JSON_SEARCH(product,'one','IT') FROM fshop ;
What is the output?

A. ''$.varieties[4]. origin[1]''
B. product->varieties[3]. origin[0]''
C. product->''$.varieties [4]. origin[1];;
D. ''$.varieties [3]. origin[0]''

Answer: C

NEW QUESTION 31
Examine these statement which execute successfully:

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

What is true?

Answer: D

NEW QUESTION 32
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 C
B. Option A
C. Option D
D. Option B

Answer: B

NEW QUESTION 33
Examine this statement which executes successfully:
CREATE TABLE 'fshop' ('product' JSON DEFAULT NULL ) ENGINE=InnoDB;
Now, examine a json value contained in the table:
{"name" : "orange", "varieties" : [{"VarietyName":"Clementine", "Origin" : ["PA", "BU"] }, {"VarietyName": "tangerine", "Origin" : ["CH","JP"]>]> Which will cause documents to be indexed over the 'name' key?

A. ALTER TABLE fshop ADD COLUMN name VARCHAR(20), ADD KEY idx_name (name) ;
B. ALTER TABLE fshop ADD name VARCHAR(20) AS (JSON_ONQUOTE (product->"S.varieties.VarietyName")), ADD INDEX (name);
C. ALTER TABLE fshop ADD COLUMN name VARCHAR(100) AS (product->' S - varieties' ) VIRTUAL, ADD KEY idx_name (name) ;
D. ALTER TABLE fshop ADD COLUMN name VARCHAR(20) AS (product-
>* S .varieties. VarietyName ' ) VIRTUAL, ADD KEY idx_name (name.) ;
E. ALTER TABLE fshop ADD COLUMN name VARCHAR(20) AS (product->' S - name' ) VIRTUAL, ADD KEY idx_name (name) ;

Answer: C

NEW QUESTION 34
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 isolation level is RPEATABLE READ in S1.
B. The inserted row is not returned because the transaction still active in s2.
C. The inserted row is returned because the transaction is auto committed in S2.
D. The inserted row is not returned because the isolation level is READ COMMITTED in S2.

Answer: B

NEW QUESTION 35
Which select statement returns true?

A. SELECT NULL <> NULL;
B. SELECT NULL := NULL;
C. SELECT NULL = NULL;
D. SELECT NULL <=> NULL;

Answer: D

NEW QUESTION 36
Examine this statement and output:

Now, examine these desired output values:

Which statement updates the table data as require

A. UPDATE exam_result SET score=TRUNCATE(score,1);
B. UPDATE exam_result SET score=TRUNCATE
C. UPDATE exam_result SET score=ROUND(score,1);
D. UPDATE exam_result SET score=CEIL(TRUNCATE(sco
E. UPDATE examresult SET score=ROUND(CEIL(score
F. UPDATE exam_result SET score=CEIL(ROUND(score,1));

Answer: C

NEW QUESTION 37
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 C
B. Option A
C. Option D
D. Option B

Answer: A

NEW QUESTION 38
Examine this statement and output:

What causes the error?

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

Answer: B

NEW QUESTION 39
You are using buffered queries with PHP mysqli in a browser-based web application. Which three are true?

A. Large results can have a negative impact on performance.
B. Additional queries on the same session are blocked until the result set is released.
C. Buffered queries must be explicitly enabled using mysqliuseresult.
D. Buffered queries are enabled by default.
E. Results are sent from the server to the browser for buffering.
F. Results are sent to the calling PHP process for buffering.
G. Buffered queries should be used on large tables when the result size is unknown.

Answer: A,C,G

NEW QUESTION 40
Examine these MySQL Shell statements:

What is the true about the attempts to add document to the collection?

A. First two documents are added, then mismatched field names cause an error.
B. All documents are added without any error or warning.
C. First two documents are added, then mismatched field names cause a warning.
D. First three documents are added, then different number of fields cause an error.
E. All documents are added and cause a warning.

Answer: E

NEW QUESTION 41
How does InnoDB choose deadlock victims in MySQL?

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

Answer: F

NEW QUESTION 42
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 (id INT NOT NULL AUTOINCREMENT, product JSON, PRIMARY KEY (id)) ENGINE=InnoDB;
B. CREATE TABLE fshop ( product JSON, f INT' GENERATED ALWAYS AS (product->"S - id") ) ;
C. CREATE TABLE fshop (product JSON CHECK (JSON_VALID(product) ) ) ;
D. CREATE TABLE fshop (id INT NOT NULL AUTO_ INCREMENT, product JSON, CHECK (id>0) ) ENGXNE=InnoDB;

Answer: A

NEW QUESTION 43
Which two are true about MySQL Document Store?