Which of the Following is NOT a DBMS Software

Which of the following is NOT a DBMS software? d a.

postgresql

b.

MySQL

c.

Oracle

d.

impresql

e.

DB2

f.

no answer

Which of the following are true about the mysql client program? (choose three) bcd a.

when run in batch mode, it interprets commands contained in a script file

b.

when run in batch mode, it executes commands entered manually by the user on its command line

c.

when run in interactive mode, it allows the user to type commands and sends them to the database server

d. e.

it may run in interactive or batch mode when run in interactive mode, it interactively executes SQL instructions contained in a file

Which of the following categories of instructions are part of the SQL language?(choose three) a,d,e a.

DML (Data Manipulation Language)

b.

DTL (Data Transmission Language)

c.

DQL (Data Query Language)

d.

DCL (Data Control Language)

e.

DDL (Data Definition Language)

On a relational DBMS there may be multiple ___ defined. Each of them may contain one or more ___, which in turn contain the data in the form of ___ . (choose the proper combination to fill in the blanks) c a.

databases, tables, records

b.

attributes, rows, tables

c.

databases, rows, tables

d.

columns, tables, attributes

e.

records, rows, databases

f.

no answer

Which of the following are true regarding case sensitivity in MySQL? (choose three) a.

table names are not case sensitive

b.

column names may be case sensitive or not, depending on the underlying operating system

c.

database names may be case sensitive or not, depending on the underlying operating system

d. e.

column names are not case sensitive table names may be case sensitive or not, depending on the underlying operating system c,d,e

An SQL script is: c a.

a file containing data to be imported into a table column

b.

a file that contains only the data to be imported into a database, but no SQL instructions

c.

a text file containing a list of SQL instructions to be executed by a database server

d. e. f.

the same thing as a Linux shell script a stand-alone executable file that contains binary data to be inserted into a database no answer

Remote clients can connect to a MySQL server using: b a.

socket files

b.

TCP/IP

c.

shared memory

d.

ICMP

e.

named pipes

f.

no answer

The SQL language contains instructions that allow a client to: (choose three) A,D, E a.

extract data from tables

b.

modify the database server's configuration file

c.

restart the database server

d.

enter data into tables

e.

define and modify the structure of a database and its tables

Which of the following are valid line terminators in the mysql command line? (choose three) A,B,E a.

\g

b.

;

c.

/G

d.

\;

e.

\G

f.

/g

Which of the following are characteristics of a column from a relational database table? (choose three) a.

name

b.

optional additional properties

c.

SQL dialect

d.

data type

e. A,B,D

storage engine

Which of the following are responsibilities of a DBMS? (choose three)BCE a.

upgrading the operating system

b.

controlling access to data

c.

data storage and management

d.

issuing SQL commands that will be sent to the clients

e.

interaction with clients

If the name of a MySQL database contains a space character, how should it be used in MySQL instructions?a a.

the name of the database must be quoted using ' (single-quote) characters

b.

the name of the database must be quoted using ` (back-quote) characters

c.

the name of the database must be quoted using : (colon) characters

d.

the name of a MySQL database may never contain spaces

e.

as it is – space is not a special character

f.

no answer

Which of the following is NOT a database model?c a.

flat-file

b.

network

c.

expectational

d.

hierarchical

e.

relational

f.

no answer

Given a database named Store that contains a table named Products which has a column named Price, which of the following are proper ways to refer to the Price column from within a MySQL instruction? (choose two)e,f

a.

`Store`.`Products`.`Price`

b.

Store.Price

c.

`Store.Products.Price`

d.

Products.Store.Price

e.

Store.Products.Price

f.

/Store/Products/Price

What information does a user need to have in order to be able to connect to a remote database server? (choose two)a,b a.

the address of the database server

b.

the username and password

c.

the database server's operating system

d.

the server's hardware configuration

e.

the directory in the database server's filesystem where database information is stored

SQL is: e a.

the name of a network protocol

b.

the name of a database server software

c.

a DBMS

d.

the same thing as MySQL

e.

a language used for querying relational database servers

f.

no answer

Curs 2 What will be the default value of the column with the following definition? e Name VARCHAR(10) a.

the empty string ""

b.

0

c.

the column will have no default value

d.

NULL

e.

a character string consisting of 10 space characters

f.

no answer

Which of the following elements is NOT part of an SQL table definition? a a.

table data location on hard disk

b.

list of column definitions

c.

table name

d.

storage engine

e.

no answer

Which of the following SQL statements will remove all the rows from a table named Products, leaving the table's structure intact? A a.

TRUNCATE TABLE Products

b.

ALTER TABLE Products

c.

DROP TABLE Products

d.

DELETE TABLE Products

e.

EMPTY TABLE Products

f.

no answer

Given the following MySQL data types and a list of categories that they pertain to, choose the answer that correctly matches each data type with its category: c a. VARCHAR b. INT c. DATE d. SET 1. number 2. enumerated data 3. character string 4. temporal data a.

a – 3, b – 1, c – 2, d – 4

b.

a – 2, b – 4, c – 1, d – 3

c.

a – 3, b – 1, c – 4, d – 2

d.

a – 1, b – 2, c – 3, d – 4

e.

a – 4, b – 2, c – 1, d – 4

f.

no answer

Which of the following databases exist by default in MySQL? (choose two) b,e a.

privileges

b.

mysql

c.

server

d.

meta_inf

e.

information_schema

Which of the following SQL statements could be used for adding a column to a table named People and placing it last in the column list? b a.

ALTER TABLE People ADD COLUMN Age INT;

b.

ALTER TABLE People ADD COLUMN Age LAST;

c.

ALTER TABLE People ADD COLUMN Age TINYINT FIRST;

d.

ALTER TABLE People ADD COLUMN Age TINYINT AFTER LAST;

e.

ALTER TABLE People DROP COLUMN Age INT;

f.

no answer

Choosing a certain storage engine when creating a MySQL table could affect the following aspects: (choose three) A B E a.

transactional capabilities of the table

b.

data storage format on the server

c.

possible data types

d.

names of columns

e.

performance of data manipulation operations

Which of the following are valid MySQL instructions for creating a database named Products? (choose four) A D E F a.

CREATE DATABASE Products CHARACTER SET latin1 COLLATE latin1_general_ci

b.

CREATE DATABASE Products ENGINE=InnoDB

c.

CREATE SCHEMA IF EXISTS Products

d.

CREATE SCHEMA IF NOT EXISTS Products CHARACTER SET latin1 COLLATE latin1_general_ci

e.

CREATE DATABASE Products

f.

CREATE SCHEMA Products

Which of the following are valid SQL column definitions? (choose two) b c a.

Username NOT NULL VARCHAR(50)

b.

MaxParticipants TINYINT NOT NULL DEFAULT 30

c.

Name VARCHAR(100)

d.

Distance HUGEINT NOT NULL

e.

Married NOT NULL DEFAULT 'no'

Which of the following is true about a temporary SQL table? C a.

a temporary table may not have the same name as an existing regular table

b.

a temporary table will automatically be deleted when the client that created it disconnects from the server

c.

a temporary table is identical to a regular table in every way, except it is deleted on server restart

d.

if a client has created a temporary table, other clients will not be allowed to create tables with the same name

e.

a temporary table created by one SQL client can be seen by other SQL clients

f.

no answer

Which of the following SQL instructions could be used for removing a database named Movies? (choose three) A b D a.

DROP DATABASE Movies

b.

DROP SCHEMA Movies

c.

DELETE SCHEMA Movies

d.

DROP DATABASE IF EXISTS Movies

e.

DROP SCHEMA IF NOT EXISTS Movies

Which of the following storage engines is built-in into MySQL and cannot be disabled? e a.

MERGE

b.

MEMORY

c.

InnoDB

d.

FEDERATED

e.

MyISAM

f.

no answer

What MySQL instruction could be used for finding a table's storage engine? A a.

SHOW CREATE TABLE

b.

DESCRIBE

c.

SHOW TABLE

d.

SHOW DESCRIBE TABLE

e.

SHOW DATABASE STATUS

f.

no answer

What is the proper SQL instruction for listing only MySQL databases whose names begin with the letter h? b a.

SHOW DATABASES LIKE '%h_'

b.

SHOW SCHEMAS LIKE 'h%'

c.

SHOW DATABASES LIKE 'h*'

d.

LIST DATABASES LIKE 'h%'

e.

SHOW DATABASES LIKE '_h'

f.

no answer

How can a MySQL table be created? (choose three) b c d a.

by using the MAKE TABLE statement

b.

by copying the structure of an existing table

c.

by using the data from a query result

d. e.

by using the CREATE TABLE statement and specifiying the column definitions by using the SHOW CREATE TABLE statement

Which of the following elements are part of a column definition? (choose three) A C E a.

column data type

b.

column height

c.

optional column modifiers

d.

column storage engine

e.

column name

Curs 3

Given the table created with the definition below, which of following statements will correctly insert a new record having non-null values for both columns? CREATE TABLE ScaryMovies(Title VARCHAR(100), Minutes INT) e a.

INSERT INTO ScaryMovies(*) VALUES('Braindead', 104)

b.

INSERT INTO ScaryMovies(Title) VALUES('Evil Dead')

c.

INSERT INTO ScaryMovies('Saw',103)

d.

INSERT INTO (ScaryMovies) VALUES (Title 'The Omen', Minutes '111')

e.

INSERT INTO ScaryMovies VALUES('Nightmare on Elm Street', 91)

f.

no answer

Given the SQL table having the definition below, what will be the effect of the following SQL statement if the server is functioning in non-strict mode? d

CREATE TABLE Cellphones( Manufacturer VARCHAR(50) NOT NULL, DisplayType VARCHAR(20) DEFAULT 'color', Vibration TINYINT NOT NULL DEFAULT 1 ); INSERT INTO Cellphones VALUES(); a.

the execution of the statement will produce an error because column DisplayType is not declared NOT NULL but has a DEFAULT value

b.

a new record will be inserted having the value '' (the empty string) on the Manufacturer column

c.

a new record will be inserted having the value NULL on the DisplayType column

d.

the execution of the statement will produce an error because column Manufacturer doesn't have a default value

e.

a new record will be inserted having the value 0 on the Vibration column

f.

no answer

Which of the following is NOT true about a result set produced by a SELECT statement? c a.

the result consists of a set of records whose order can be chosen by the client

b.

each column in a result set has a name

c.

a result set has an associated storage engine

d. e.

the name of each column in a result set can be automatically chosen by the server or specified by the client no answer

Which of the following is NOT a possible way of setting the sql_mode? e a.

globally, by passing options to the server's executable upon execution

b.

globally, from a client session

c.

globally, from the server's configuration file

d.

per-session, from a client session

e.

per-session, from the server's configuration file

f.

no answer

Which of the following elements may participate in an expression that specifies the value for a column returned by a SELECT statement? (choose four)a,b,d,f a.

constant values

b.

operators

c.

storage engines

d.

table columns

e.

data types

f.

predefined SQL functions

Which of the following are true about the following form of the INSERT statement? (choose two): a b INSERT INTO MyTable VALUES('Stuff',3); a.

the order of the specified column values must match the order of the columns in the table definition

b.

the number of column values specified must match the number of columns in the table definition

c.

the statement is not valid because the list of column names is mandatory and must follow the table name

d.

the statement is not valid because, if the list of column names is not specified, the client is not allowed to specify any values

Given an SQL table named People that contains two columns - FullName and DateOfBirth - which of the following SELECT statements would generate a result set having two columns named Name and DoB? (choose three)a,b,c

a.

SELECT FullName AS Name, DateOfBirth DoB FROM People

b.

SELECT FullName AS Name, DateOfBirth AS DoB FROM People

c.

SELECT FullName Name, DateOfBirth DoB FROM People

d.

SELECT Name AS FullName, DoB AS DateOfBirth FROM People

e.

SELECT FullName, DateOfBirth AS Name,DoB FROM People

The INSERT statement allows the SQL client to add new records to a table in many ways, except: e a.

by specifying no values for any columns

b.

by specifying values for more than one record in a single INSERT statement

c.

by specifying all the values for the new record – one value each column in the table definition

d.

by specifying only the values for a few columns

e.

by specifying more values than the number of columns in the table definition

f.

no answer

Given an SQL table having the contents below, what will be the result returned by the specified SELECT query?b

SELECT Name FROM People WHERE Age>12 ORDER BY Surname DESC, Name LIMIT 1 a.

dobbs

b.

john

c.

joanna

d.

doe

e.

jerry

f.

brad

g.

no answer

Which of the following is true about inserting new records into an SQL table if the MySQL server is functioning in strict mode? a a.

omitting the value for a NOT NULL column whose definition doesn't specify a default value will generate an error

b.

missing columns in INSERT statements will automatically be populated with default values chosen by the server

c.

columns declared as NOT NULL will have an implicit default value of 0

d.

values that are too big to fit in their column type will be truncated to the maximum value allowed by the column type

e.

no answer

What is the correct statement for deleting all the products having a price between 30 and 100 from a table named Products that has a column named Price?f a.

DELETE * FROM Products WHERE Price>30 AND Price100 OR Price 30 AND Price30 AND Price