Reliable 1z1-909 Dumps Questions Available as Web-Based Practice Test Engine
Correct and Up-to-date Oracle 1z1-909 BrainDumps
NEW QUESTION 13
Examine the output:
Which explain command will obtain the output?
- A. EXPLAIN ANALYZE
- B. EXPLAIN PORMAT=JSON
- C. EXPLAIN PARTITIONS
- D. EXPLAIN PORMAT^TRADITIONAL
- E. EXPLAIN FORMAT=TREE
Answer: C
NEW QUESTION 14
Examine these MySQL Shell statements:
What is the true about the attempts to add document to the collection?
- A. All documents are added and cause a warning.
- B. First three documents are added, then different number of fields cause an error.
- C. First two documents are added, then mismatched field names cause a warning.
- D. All documents are added without any error or warning.
- E. First two documents are added, then mismatched field names cause an error.
Answer: A
NEW QUESTION 15
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. Java treats the socket file as insecure.
- B. The socket can only be accessed from the local host.
- C. The socket is not implemented in Connector/J driver.
- D. socket is a reserved word in Java.
- E. The X Dev API protocol must be enabled to use sockets in Connector/J driver.
Answer: A,C
NEW QUESTION 16
Examine these lines of Python code:
You must add a line of code to complete the code to return data to the variable d. Which line will do this?
- A. d = cursor.fetch(query, (hire_start, hire_end))
- B. d = cursor.execute(query, (hire_start, hire_end) )
- C. d = cursor.fetch(query % (hire_start, hire_end))
- D. d = cursor.execute(query)
- E. d = cursor.fetchall(query, (hire_start, hire_end))
- F. d = cursor . f etchall (query)
Answer: A
NEW QUESTION 17
Examine these commands and output:
Which is true?
- A. It returns an error because the DROP TABLE statement did not drop the view.
- B. It returns an error because the CREATE TABLE statement automatically recreated the view.
- C. A new view is created because the previous was dropped on execution of the drop table statement.
- D. Existing emp_vuL is dropped and a new emp_vu1 created with the new definition.
Answer: D
NEW QUESTION 18
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.
Answer: A
NEW QUESTION 19
Which statement is true about the show errors command?
- A. It displays errors messages only, since the server last restarted.
- B. It displays the total number of errors, warnings, and notes since the server last restarted.
- C. It displays the total number of errors, warnings, and notes since the beginning of the current session.
- D. It displays errors messages only, since the start time of the current session.
- E. It cannot display information for more than max_errot_count server system variable setting.
- F. It displays similar diagnostics results as get diagnostics.
Answer: C
NEW QUESTION 20
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(100) AS (product->' S - varieties' ) VIRTUAL, ADD KEY idx_name (name) ;
- B. ALTER TABLE fshop ADD COLUMN name VARCHAR(20) AS (product->' S - name' ) VIRTUAL, ADD KEY idx_name (name) ;
- C. ALTER TABLE fshop ADD COLUMN name VARCHAR(20) AS (product-
>* S .varieties. VarietyName ' ) VIRTUAL, ADD KEY idx_name (name.) ; - D. ALTER TABLE fshop ADD name VARCHAR(20) AS (JSON_ONQUOTE (product->"S.varieties.VarietyName")), ADD INDEX (name);
- E. ALTER TABLE fshop ADD COLUMN name VARCHAR(20), ADD KEY idx_name (name) ;
Answer: A
NEW QUESTION 21
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. The trigger activates after any row in the table has been updated.
- B. The trigger activates after any row has been inserted into the table.
- C. Execution of an insert statement causes the trigger to activate.
- D. The trigger body set causes trigger activation.
Answer: C
NEW QUESTION 22
Examine the content of the employee table:
Now examine this PHP script:
Finally examine this desired output:
- A. $options = [PDO:: ATTR_DEFAOLT_FETCH__MODE => PDO : : FETCH_BOTH] ;
- B. $options = [PDO:: ATTR_DEFAUXT_FETCH__MODE => PDO: : PDO: :FETCH_OBJ] ;
- C. $options = [PDO:: ATTR__DEFAULT_FETCH MODE => PDO: :FETCH_CLASS] ;
- D. $options = [PDO:: ATTR_DEFAULT_FETCH__MODE => PDO: : FETCH_ASSOC] ;
Answer: A
NEW QUESTION 23
Examine this statement and output:
CREATE TABLE geom (g GEOMETRY NOT NOLL, SPATIAL INDEX(g) ) ; Query OK, 0 rows affected, 1 warning (0.01 sec) An attempt is made to add an SRID attribute to the column using the statement:
ALTER TABLE geom MODIFY COLUMN g geometry NOT NULL SRID 0;
Which is true?
- A. Execution succeeds with a warning.
- B. Execution succeeds and allows the use of the index by the optimizer.
- C. An error is generated because srid o is an invalid identifier value.
- D. An error is generated because the index prevents changes to the column.
Answer: D
NEW QUESTION 24
Examine these statement which execute successfully:
Now, examine this desired output:
Which two queries will produce the out?
- A.
- B.
- C.
- D.
- E.
Answer: C,E
NEW QUESTION 25
Examine the Test.php script which is numbered for clarity, and its output:
PHP Fatal error: Uncaught Error: call to underined function mysqli_connect () in Test.php:2 Which action will fix this error?
- A. Replace line 2 with Slink = mysql.connect {"localhost: 3306n, "username", "pas "schema") ;
- B. Enable the mysqli extension in the php.ini file.
- C. Install the PHP executable in the path used by the MySQL installation.
- D. Replace line 2 With: Slink = mysql_xdevapi\getSession
("mysqlx://username:password@localhost:3306","schema");
Answer: D
NEW QUESTION 26
The collection col contains all episodes for all seasons for a TV show.
Examine this document which has an example of the details for each episode:
Which query returns all expisode names from the first season?
- A. SELECT "S.name" FROM col WHERE "S.season" = "1";
- B. SELECT name FROM col WHERE season = 1;
- C. SELECT doc->,$.name,, FROM col WHERE doc->"$ . season" = "1";
- D. SELECT doc->"$.name" FROM col WHERE doc->"$.season" = "1";
Answer: A
NEW QUESTION 27
Which two are true about indexes?
- A. Indexing all of a table's columns improves performance.
- B. Indexes are used to enforce unique constraints.
- C. Secondary index access will always be faster than a table scan.
- D. Indexes reduce disk space used.
- E. Indexes contain rows sorted by key values.
Answer: A,D
NEW QUESTION 28
Which two are true about MySQL connectors?
- A. Connector/ODBC is available on Unix, Windows, and MacOS X.
- B. Connectors must be installed on both the client and server hosts.
- C. Connector/Python is released in precompiled binary and source code.
- D. Connector/NET runs on the Windows platform only.
- E. Connector/J is based on Connector/C.
Answer: B,E
NEW QUESTION 29
Which two statements are true about AUTO_INCREMENT?
- A. A table can have multiple AUTO_INCREMENT columns.
- B. An AUTO_INCREMENT column must be indexed.
- C. A server restart always resets the AUTO_INCREMENT value to largest value in the AUTO_INCREMENT column plus 1.
- D. The decimal data type supports AUTO_INCREMENT.
- E. AUTO_INCREMENT values allocated to a transaction that is rolled back are not reused.
Answer: C,D
NEW QUESTION 30
Examine this statement and output:
What causes the error?
- A. The database server is running in read-only mode.
- B. The database client process does not have sufficient privilege.
- C. The database server process does not have sufficient privilege.
- D. The database user does not have sufficient privilege.
- E. The engine is disabled.
- F. The set local_infile option has not been enabled.
Answer: C
NEW QUESTION 31
......
100% Reliable Microsoft 1z1-909 Exam Dumps Test Pdf Exam Material: https://www.dumpexam.com/1z1-909-valid-torrent.html
Current 1z1-909 dumps Preparation through Our Practice Test: https://drive.google.com/open?id=1hwf4ZEoklGIcnw1gCKUJdNZh1B9nFeYl
