1z0-909 Sample Questions Answers

All documents are added without any error or warning.

First three documents are added, then different number of fields cause an error.

First two documents are added, then mismatched field names cause an error.

First two documents are added, then mismatched field names cause a warning.

All documents are added and cause a warning.

Existing emp_vuL is dropped and a new emp_vu1 created with the new definition.

A new view is created because the previous was dropped on execution of the drop table statement.

It returns an error because the CREATE TABLE statement automatically recreated the view.

It returns an error because the DROP TABLE statement did not drop the view.

SELECT NULL <> NULL;

SELECT NULL <=> NULL;

SELECT NULL = NULL;

SELECT NULL := NULL;

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".

Option A

Option B

Option C

Option D

Option A

Option B

Option C

Option D

Session 1 takes a shared lock on all the rows in the band table.

Session 1 must commit before the update in Session 2 can complete.

Session 1 does not block Session 2.

Statements in Session 2 are committed.

Session 2 takes an exclusive lock on all the rows in the band table.

Session 2 does not start a transaction.

d = cursor.execute(query)

d = cursor.execute(query, (hire_start, hire_end) )

d = cursor.fetch(query % (hire_start, hire_end))

d = cursor.fetch(query, (hire_start, hire_end))

d = cursor . f etchall (query)

d = cursor.fetchall(query, (hire_start, hire_end))

start_time TIMESTAMP duration TIMESTAMP

start_time TIMESTAMP duration TIME

start_time DATETIME duration DATETIME

start_time TIME duration TIME

start__time DATETIME duration TIME

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.

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;

Inserting COMMIT; SET @m :=: before line 4

user who creates the procedure needing the create and execute privileges

user who creates the procedure needing the create routine privilege

inserting USE ; before line 3

Inserting DEFINER 'username '@' localhost' clause into the CREATE PROCEDURE statement

The engine is disabled.

The set local_infile option has not been enabled.

The database user does not have sufficient privilege.

The database server process does not have sufficient privilege.

The database client process does not have sufficient privilege.

The database server is running in read-only mode.

SELECT last_name + ', ' + first_name FROM employees;

SELECT CONCAT_WS(', ',last_name,first_name) FROM employees;

SELECT GROUP_CONCAT(last_name, first_name) FROM employees;

SELECT last_name, ‘ , ',first_name FROM employees;

SELECT CONCAT(last name,', ',first_name) FROM employees;

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.

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%"')