Deck 3: Structured Query Language

Question 1

For a column to be defined as the primary key using table constraints,the column must have been given the property NULL.

Answer 1

False

Question 2

In SQL,the order of the rows that result from a SELECT statement can be set using the SORT BY phrase.

Answer 2

False

Question 3

Data is added to a table using the SQL INSERT command.

Answer 3

True

Question 4

In SQL,the LIKE keyword can be combined with the NOT keyword to form the NOT LIKE condition for selecting values.

Question 5

The SUM built-in function in SQL is used to total the values in a numeric column.

Question 6

The result for SELECT statements in SQL is a relation unless the result is a single number.

Question 7

When using SQL to create a table,a column is defined by declaring,in this order: data type,column name,and optional constraints.

Question 8

In SQL,to refer to a range of values in a WHERE clause,use the WITHIN keyword.

Question 9

In SQL,the WHERE clause is used to specify which columns will be included in the result.

Question 10

In SQL,the IS NULL keyword can be used to select on records containing NULL values in a particular column.

Question 11

In SQL,the LIKE keyword can be used to select on partial values.

Question 12

If you need to create a primary key that is a composite key using SQL,the key may be defined when the table is created using the CREATE TABLE statement.

Question 13

SQL is a data sublanguage,not a complete programming language.

Question 14

To force the DBMS to remove duplicate rows from the results of an SQL SELECT query,the keyword DISTINCT must be used.

Question 15

In SQL,the NOT keyword can be combined with the IN keyword to form the NOT IN condition for selecting values.

Question 16

In SQL,multiple conditions in the WHERE clause can be combined by using the SQL AND keyword.

Question 17

When using SQL to create a table,specifying the NULL property for a column indicates that only null values may be stored in that column.

Question 18

When using SQL to create a table,specifying a data type of Char(10)indicates a fixed length field of 10 characters.

Question 19

Referential integrity constraints using the ON DELETE NO ACTION phrase may be explicitly stated when the table is created using the CREATE TABLE statement.

Question 20

Referential integrity constraints can be created using the ON DELETE phrase when the table is created using the CREATE TABLE statement.

Question 21

A composite primary key can be defined using the CONSTRAINT phrase in which SQL command?

A) MODIFY TABLE
B) CHANGE TABLE
C) CREATE TABLE
D) SET TABLE
E) BUILD TABLE

Question 22

Data from a maximum of three tables can be combined through the use of subqueries in SQL.

Question 23

Using standard SQL,unmatched rows will not appear in the result of a join.

Question 24

In Microsoft Access,default values must be set as a field property while the table is in Design View.

Question 25

Built-in SQL functions cannot be applied to data combined using the GROUP BY keyword.

Question 26

Values of existing data can be changed using SQL through the CHANGE command.

Question 27

Which of the following data types used in SQL would define a fixed-length text field of 10 characters?

A) text(10)
B) char(10)
C) varchar(10)
D) fixed(10)
E) length(10)

Question 28

A subquery is appropriate only if the final result contains only data from a single table.

Question 29

The basic idea of a join is to combine the contents of two or more relations into a new relation.

Question 30

Microsoft Access SQL supports and will correctly implement the numeric data type with (m,n)notation.

Question 31

Microsoft Access can run QBE queries,but not SQL queries.

Question 32

Which of the following is not a standard data type used in SQL?

A) Text
B) Char
C) Varchar
D) Integer
E) Numeric

Question 33

The ON DELETE CASCADE referential integrity constraint does not apply when rows are deleted using the SQL DELETE command.

Question 34

The TOP built-in function in SQL is used to find the maximum value in a numeric column.

Question 35

Which of the following data types used in SQL would define a numeric field of the pattern 99.99?

A) integer(2,2)
B) integer(5,2)
C) numeric(2,2)
D) numeric(4,2)
E) numeric(5,2)

Question 36

Microsoft Access SQL commands are run within the SQL View of a Query window.

Question 37

To open a new Microsoft Access Query window,click the Query Design button on the Create command tab.

Question 38

Which of the following is not true about primary keys?

A) Primary keys cannot be null.
B) Primary keys must be unique.
C) Primary keys must be a single attribute.
D) Primary keys are used to represent relationships.
E) Primary keys can be defined using an SQL CONSTRAINT phrase.

Question 39

Standard SQL does not allow built-in functions to be used in a WHERE clause.

Question 40

The SQL GROUP BY keyword can be used to group rows by common values.

Question 41

Conditions after the WHERE keyword require single quotes around the values for columns that have which data type?

A) Char
B) VarChar
C) Integer
D) Numeric
E) Both A and B

Question 42

Which type of join,although not included in standard SQL,was created to allow unmatched rows to appear in the result of a join operation?

A) ODD JOIN
B) OPEN JOIN
C) OUTER JOIN
D) INNER JOIN
E) COMBINE JOIN

Question 43

Which SQL keyword is used to eliminate duplicate rows in the results of an SQL SELECT query?

A) UNIQUE
B) SORT
C) ORDER BY
D) DISTINCT
E) REDUCE

Question 44

Which SQL keyword can be used in conjunction with wildcards to select partial values?

A) SELECT
B) SEARCH
C) FIND
D) SUBSTRING
E) LIKE

Question 45

Which of the following is not one of the five SQL built-in functions?

A) MODE
B) SUM
C) COUNT
D) MAX
E) AVG

Question 46

Which of the following SQL commands would be used to remove both the data and the table structure of a table named STUDENT?

A) DROP TABLE STUDENT;
B) DELETE TABLE STUDENT;
C) REMOVE TABLE STUDENT;
D) SELECT * FROM STUDENT THEN DROP;
E) DELETE FROM STUDENT;

Question 47

Given the table STUDENT(StudentID,Name,Advisor),which of the following SQL statements would be used to add new student data to the STUDENT table?

A) INSERT DATA STUDENT SET StudentID=123, Name='Jones', Advisor='Smith';
B) INSERT INTO STUDENT VALUES (123, 'Jones', 'Smith');
C) INSERT INTO STUDENT (New Student Data) VALUES (123, 'Jones', 'Smith');
D) INPUT DATA STUDENT SET StudentID=123, Name=' Jones', Advisor='Smith';
E) INPUT INTO STUDENT (123, 'Jones', 'Smith');

Question 48

Which SQL keyword is used to apply conditions to restrict groups that appear in the results of a SELECT query that uses GROUP BY?

A) WHERE
B) HAVING
C) LIKE
D) SORT
E) DISTINCT

Question 49

Given the tables STUDENT(StudentID,StudentName,AdvisorID)
ADVISOR(AdvisorID,AdvisorName,Office,Phone)
Which of the following SQL statements would be used to implant a join between the two tables?

A) WHERE STUDENT MATCH ADVISOR
B) WHERE STUDENT.AdvisorID MATCH ADVISOR.AdvisorID
C) WHERE STUDENT = ADVISOR
D) WHERE STUDENT JOIN ADVISOR
E) WHERE STUDENT JOIN ADVISOR ON STUDENT.AdvisorID = ADVISOR.AdvisorID

Question 50

Given the table CUSTOMER(CustID,Name,PhoneNum,AcctBalance)
What is the standard SQL query phrase to retrieve the Name and Phone Number of customers?

A) SELECT CUSTOMER-Name AND CUSTOMER-PhoneNum
B) SELECT (CUSTOMER-Name AND CUSTOMER-PhoneNum)
C) SELECT Name, PhoneNum
D) SELECT (Name, PhoneNum)
E) SELECT *

Question 51

Given the table STUDENT(StudentID,Name,Advisor),which of the following SQL statements would be used to change the value of the Advisor field to 'Smith' for all rows in the STUDENT table?

A) UPDATE STUDENT SET Advisor = 'Smith';
B) MODIFY STUDENT SET Advisor = 'Smith';
C) MODIFY Advisor SET STUDENT = 'Smith';
D) UPDATE Advisor = 'Smith';
E) SET STUDENT Advisor = 'Smith';

Question 52

Which of the following is the correct SQL clause to restrict the results of a SELECT query to only records that have a value in the range of 10 to 50 in the Hours column?

A) WHERE Hours = MIN(10) and MAX(50)
B) WHERE Hours IN [10, 50]
C) WHERE Hours = 10 and Hours = 50
D) WHERE Hours BETWEEN 10 AND 50
E) WHERE Hours RANGE 10 TO 50

Question 53

Which of the following is the correct SQL clause to sort the results of a SELECT query in reverse-alphabetic order using the Department field?

A) SORT BY Department
B) REVERSE Department
C) ORDER BY Department DESC
D) SORT BY Department DESC
E) SORT BY Department REVERSE

Question 54

Given the table CUSTOMER(CustID,Name,PhoneNum,AcctBalance)
What is the standard SQL query phrase to retrieve data for customers with an account balance greater than 50?

A) WHERE CUSTOMER-AcctBalance > 50
B) WHERE (CUSTOMER-AcctBalance > 50)
C) WHERE AcctBalance > 50
D) WHERE (AcctBalance > 50)
E) HAVING AcctBalance > 50

Question 55

Which of the following SQL commands would be used to remove only the data from a table named STUDENT while leaving the table structure intact?

A) DROP TABLE STUDENT;
B) DELETE TABLE STUDENT;
C) REMOVE TABLE STUDENT;
D) SELECT * FROM STUDENT THEN DROP;
E) DELETE FROM STUDENT;

Question 56

Which symbol is used in standard SQL as a wildcard to represent a series of one or more unspecified characters?

A) % (percent sign)
B) ! (exclamation mark)
C) _ (underscore)
D) ? (question mark)
E) ; (semi-colon)

Question 57

The order of the columns returned by an SQL SELECT statement is determined by the:

A) ORDER BY clause.
B) SORT BY clause.
C) order they are listed in following SELECT.
D) order they are listed in following WHERE.
E) order they are listed in following FROM.

Question 58

Which symbol is used in standard SQL as a wildcard to represent a single,unspecified character?

A) % (percent sign)
B) ! (exclamation mark)
C) _ (underscore)
D) ? (question mark)
E) ; (semi-colon)

Question 59

Which of the following cannot be done using the CONSTRAINT phrase?

A) Create a single attribute primary key.
B) Define a foreign key.
C) Establish a referential integrity constraint.
D) All of the above can be done using the CONSTRAINT phrase.
E) None of the above can be done using the CONSTRAINT phrase.

Question 60

Which SQL keyword is used to specify a condition that rows must meet to be included in the results of an SQL SELECT query?

A) SELECT
B) FROM
C) WHERE
D) ORDER BY
E) GROUP BY

Question 61

A complete table,including both the table structure and any data in the table,can be removed from the database by using the SQL ________ command.

Question 62

The SQL command used to add new data to a table is ________.

Question 63

SQL stands for ________.

Question 64

Microsoft Access SQL commands are run in:

A) the SQL window.
B) the QBE window.
C) the Query View of an SQL window.
D) the Design View of a Query window.
E) the SQL View of a Query window.

Question 65

In Microsoft Access,tables are added to a Query window by:

A) selecting the tables from the Use Table dialog box.
B) selecting the tables from the Show Table dialog box.
C) selecting the tables from the Tables section of the Navigation Pane.
D) selecting the tables from the Queries section of the Navigation Pane.
E) selecting the tables from the Relationships window.

Question 66

In Microsoft Access,standard SQL table creation syntax items not supported by Access SQL can generally be implemented by:

A) setting the Data Types in Access table Design View.
B) setting the field properties in Access table Design View.
C) setting the relationship properties in the Edit Relationship dialog box.
D) setting the referential integrity properties in the Edit Relationship dialog box.
E) running an ALTER TABLE query in Access SQL.

Question 67

Existing tables in a database can be structurally modified by using the SQL ________ command.

Question 68

The values of existing data can be removed from a table using the SQL ________ command,which can even be used to remove all the data in the table at one time.

Question 69

Which of the following standard SQL data types is not supported in Microsoft Access SQL?

A) Integer
B) Char(25)
C) VarChar(35)
D) Numeric(5,3)
E) DateTime

Question 70

To open a new Microsoft Access Query window:

A) click the New button on the Home command tab.
B) click the New Query button on the Home command tab.
C) click the Create Query button on the Create command tab.
D) click the New Query in Design view button on the Create command tab.
E) click the Query Design button on the Command tab.

Question 71

The SQL keyword(s)________ mean(s)that a value must be supplied before a new row can be created.

Question 72

Conditions in an SQL INSERT command and after the SQL ________ keyword require single quotes around values for Char and VarChar columns,but not around values for Integer and Numeric columns.

Question 73

SQL was developed by ________ in the late 1970s.

Question 74

The values of existing data can be modified using the SQL ________ command,which can be used to change several column values at once.

Question 75

SQL is not a complete programming language,but is rather a(n)________.

Question 76

Using SQL commands,multiple tables can be queried using either subqueries or ________.

Question 77

Using SQL commands,multiple tables can be queried so that all the values from one table appear in the results,regardless of whether they have one or more corresponding values in the other table,by using the SQL ________ command.

Question 78

An SQL data type of ________ would indicate a variable-length character string with maximum length 75.

Question 79

An SQL data type of ________ means that values consist of seven decimal numbers with two numbers assumed to the right of the decimal point.

Question 80

One way to specify all of the columns of a table is to use the special character * after the SQL keyword ________.