View All 1z1-909 Actual Free Exam Questions Mar 18, 2023 Updated [Q33-Q57]

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View All 1z1-909 Actual Free Exam Questions Mar 18, 2023 Updated

Pass Authentic Oracle 1z1-909 with Free Practice Tests and Exam Dumps

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	Analyze queries for optimization Aggregate and summarize data Data-driven Applications
Topic 3	Use MySQL Shell to access document stores Retrieve data from the database by using a connector
Topic 4	Demonstrate connector use, management and configuration Secure credentials and connections
Topic 5	Resolve consistency problems with isolation levels Set SQL Modes to change MySQL behavior
Topic 6	Create and execute stored routines MySQL Schema Objects and Data
Topic 7	Understand locking mechanisms within MySQL Control transactions in applications
Topic 8	Schedule database operations Store and process temporal data
Topic 9	Create and access a document store JSON and Document Store Store and process numeric data
Topic 10	Store and process spatial data Design, create, and alter views
Topic 11	Explain the programming constructs used in stored routines Choose between connectors for a given application

NEW QUESTION 33
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?

The inserted row is returned because the transaction is auto committed in S2.

The inserted row is not returned because the isolation level is READ COMMITTED in S2.

The inserted row is not returned because the transaction still active in s2.

The inserted row is returned because the isolation level is RPEATABLE READ in S1.

NEW QUESTION 34
Examine this statement that execute successfully in an interactive session:

The user running this session now goes to lunch for an hour.
Now, examine these statements executed independently in separate sessions while Session 0 is still active:

How many of them will complete while Session 0 is still active?

NEW QUESTION 35
Examine these statements which execute successfully:

The statements executed without exception. Which two are true?

No transaction commits.

One row is inserted into band.

Two transactions commit.

No row is inserted into band.

The transaction is rolled back to the savepoint.

NEW QUESTION 36
Examine these statement which execute successfully:

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

What is true?
A)

B)

C)

D)

Option A

Option B

Option C

Option D

NEW QUESTION 37
Examine these commands and output:

Which is true about the execution of the insert statement?

It returns an error.

It inserts a row in the view and base table.

It inserts a new row in the base table only.

It inserts a new row in the view only.

NEW QUESTION 38
Examine these my.cnf settings:

Examine this entry from /data/slow.log

Which option is also set in my.cnf?

log_queries_not_using_indexes

log__slow_admin_statements=1

log_queries_not_using_indexes=ON

log_throttle_queries_not_using_indexes=100

NEW QUESTION 39
Examine this statement and output:

Which will provide the same level of detail when the error is encountered within a stored routine?
A)

B)

C)

D)

Option A

Option B

Option C

Option D

NEW QUESTION 40
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?

It inserts a row in the emp table.

It returns an error because an insert operation is not allowed on views.

It inserts a row in the view only.

It returns an error because the PRIMARY ACCOUNT column is not selected for the view definition.

NEW QUESTION 41
Which two differences exist between the timestamp and date time data types?

timestamp has larger range of values.

timestamp uses less storage space.

timestamp stores more decimal points in seconds

timestamp converts the value based on the session time zone.

timestamp stores the interval between two dates.

NEW QUESTION 42
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?

The trigger activates after any row has been inserted into the table.

The trigger body set causes trigger activation.

The trigger activates after any row in the table has been updated.

Execution of an insert statement causes the trigger to activate.

NEW QUESTION 43
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?

Enable the mysqli extension in the php.ini file.

Replace line 2 with Slink = mysql.connect {“localhost: 3306n, “username”, “pas “schema”) ;

Replace line 2 With: Slink = mysql_xdevapigetSession
(“mysqlx://username:password@localhost:3306″,”schema”);

Install the PHP executable in the path used by the MySQL installation.

NEW QUESTION 44
Examine this bar graph based on columns from the players table:

Which two statements would generate this bar graph?

SELECT Name, Gender, Sport, REPEAT(‘# ‘Y GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

SELECT Name, Gender, Sport, LENGTH (GPA*10, ‘# ‘) AS GPA_Graph FROM players ORDER BY GPA DESC;

SELECT Name, Gender, Sport, CHAR_LENGTH (‘# ‘ GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

SELECT Name, Gender, Sport, RPAD (‘# ‘ GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

SELECT Name, Gender, Sport, CONCAT (‘# ‘ GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

NEW QUESTION 45
Examine this statement which executes successfully:
SET @ir := 2;
Which query updates the value of @r to 0?

SELECT ‘Car’ REGEXP(‘Ca?’) >= 0 INTO @r;

SELECT STRCMP(‘Car’/Ca?’) >= 0 INTO @r;

SELECT ‘Car’ LIKE ‘Ca?’ INTO @r;

SELECT ‘Car’ RLIKE ‘Ca?’ INTO @r;

NEW QUESTION 46
You must enforce data integrity for data Inserted in a JSON column.
Which statement successfully creates a constraint in a 3SON column?

CREATE TABLE fshop (product JSON CHECK (JSON_VALID(product) ) ) ;

CREATE TABLE fshop ( product JSON, f INT’ GENERATED ALWAYS AS (product->”S – id”) ) ;

CREATE TABLE fshop (id INT NOT NULL AUTOINCREMENT, product JSON, PRIMARY KEY (id)) ENGINE=InnoDB;

CREATE TABLE fshop (id INT NOT NULL AUTO_ INCREMENT, product JSON, CHECK (id>0) ) ENGXNE=InnoDB;

NEW QUESTION 47
Examine this SQL statement:

db.country. fields ( [ ‘Name ‘ , ‘Population* ] ) .where ( ‘Name LIKE “United%’,,) -select ()-limit(5)

db . country, select ( [ ‘ Name LIKE “united%” ‘ , ‘ Population>^0 ‘ ] ) – limit (5)

db . country. fields ( [ ‘ Name ‘ , ‘Population’]) . select (‘ limit=5 ‘ ) .where(‘Name LIKE “United%” ‘ )

db. country-select([‘Name’,’Population’]) .where(‘Name LIKE :param’) -bind (‘param’ , ‘United*’) -limit(5)

db . country. Select ([Name’ , ‘Population.’] ) -limit (5) .where(‘Name LIKE “United%”‘)

NEW QUESTION 48
Which two differences exist between the timestamp and date time data types?

timestamp has larger range of values.

timestamp uses less storage space.

timestamp stores more decimal points in seconds

timestamp converts the value based on the session time zone.

timestamp stores the interval between two dates.

NEW QUESTION 49
Examine these statement which execute successfully:

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

What is true?

NEW QUESTION 50
Examine the content of the employee table:

Now examine this PHP script:

Finally examine this desired output:

$options = [PDO:: ATTR_DEFAULT_FETCH__MODE => PDO: : FETCH_ASSOC] ;

$options = [PDO:: ATTR_DEFAUXT_FETCH__MODE => PDO: : PDO: :FETCH_OBJ] ;

$options = [PDO:: ATTR_DEFAOLT_FETCH__MODE => PDO : : FETCH_BOTH] ;

$options = [PDO:: ATTR__DEFAULT_FETCH MODE => PDO: :FETCH_CLASS] ;

NEW QUESTION 51
Your session has sqi_mode set to default.
Examine this statement which executes successfully:

Now examine this statement:

Which two changes are required to the insert statement so that it inserts the correct data?
* std_id = 10301
* firstname = Mary
* lastname = O’Hagen
* birthdate = November 26, 1997
* reg_date = the current date

Change DATE () to DAY ().

Change “O’Hagen” to ‘o’Hagen’.

Change date () to CURRENT_TIMESTAMP () .

Change ” NULL ” to NULL.

Change ” NULL ” to ‘ NULL ‘ .

Change “O’Hagen” to “O’Hagen”.

NEW QUESTION 52
Examine this statement and output:

Which is true?

The underlying table’s index on the Name column is not chosen because of low selectivity.

myview cannot be automatically indexed.

myview was defined with the temptable processing algorithm.

Column Name in myview can be indexed if the is_updatable attribute is true.

NEW QUESTION 53
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)

Option A

Option B

Option C

Option D

NEW QUESTION 54
Examine this statement and output:

Now, examine these desired output values:

Which statement updates the table data as require

UPDATE exam_result SET score=TRUNCATE

UPDATE examresult SET score=ROUND(CEIL(score

UPDATE exam_result SET score=CEIL(TRUNCATE(sco

UPDATE exam_result SET score=CEIL(ROUND(score,1));

UPDATE exam_result SET score=ROUND(score,1);

UPDATE exam_result SET score=TRUNCATE(score,1);

NEW QUESTION 55
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?

The inserted row is returned because the transaction is auto committed in S2.

The inserted row is not returned because the isolation level is READ COMMITTED in S2.

The inserted row is not returned because the transaction still active in s2.

The inserted row is returned because the isolation level is RPEATABLE READ in S1.

NEW QUESTION 56
Examine this event’s metadata:

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

The event is scheduled and executed but fails. The system will log an error.

The event is scheduled but will no longer execute. The system will log an error.

The event will be dropped without an error or warning.

The event is not scheduled and will no longer execute. The system will log an error.

NEW QUESTION 57
Examine this table definition:

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

The column must be a generated column referencing any attribute of doc.

The column must have a default value.

The column must be used in a unique constraint.

The column must be a generated column referencing only an existing attribute of doc.

The column must be indexed.

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View All 1z1-909 Actual Free Exam Questions Mar 18, 2023 Updated [Q33-Q57]

Oracle 1z1-909 Exam Syllabus Topics:

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