Filters
Question type

Study Flashcards

The special operator used to check whether an attribute value matches a given string pattern is .


A) BETWEEN
B) IS NULL
C) LIKE
D) IN

E) B) and C)
F) None of the above

Correct Answer

verifed

verified

words are words used by SQL to perform specific functions.

Correct Answer

verifed

verified

Rows can be grouped into smaller collections quickly and easily using the clause within the SELECT statement.

Correct Answer

verifed

verified

The SQL command that modifies an attribute's values in one or more table's rows is _____.


A) INSERT
B) SELECT
C) COMMIT
D) UPDATE

E) All of the above
F) A) and B)

Correct Answer

verifed

verified

The condition is generally composed of an equality comparison between the foreign key and the primary key of related tables.

Correct Answer

verifed

verified

SQL requires the use of the ADD command to enter data into a table.

A) True
B) False

Correct Answer

verifed

verified

The constraint assigns a value to an attribute when a new row is added to a table.


A) CHECK
B) UNIQUE
C) NOT NULL
D) DEFAULT

E) None of the above
F) All of the above

Correct Answer

verifed

verified

The current fully approved version of standard SQL prescribed by the ANSI is .


A) SQL-99
B) SQL-2003
C) SQL-4
D) SQL-07

E) C) and D)
F) A) and D)

Correct Answer

verifed

verified

You cannot insert a row containing a null attribute value using SQL.

A) True
B) False

Correct Answer

verifed

verified

To list the contents of a table, you must use the DISPLAY command.

A) True
B) False

Correct Answer

verifed

verified

A database language enables the user to perform complex queries designed to transform the raw data into useful information.

A) True
B) False

Correct Answer

verifed

verified

A specialty field in mathematics, known as algebra, is dedicated to the use of logical operators.

Correct Answer

verifed

verified

How can a table be deleted from the database? Provide an example.

Correct Answer

verifed

verified

A table can be deleted from the database...

View Answer

All SQL commands must be issued on a single line.

A) True
B) False

Correct Answer

verifed

verified

In the SQL environment, the word covers both questions and actions.

Correct Answer

verifed

verified

The basic SQL vocabulary has fewer than words.

Correct Answer

verifed

verified

100
one hu...

View Answer

A(n) is a logical group of database objects, such as tables and indexes, that are related to each other.

Correct Answer

verifed

verified

What is a schema? How many schemas can be used in one database?

Correct Answer

verifed

verified

In the SQL environment, a schema is a lo...

View Answer

You can select partial table contents by naming the desired fields and by placing restrictions on the rows to be included in the output.

A) True
B) False

Correct Answer

verifed

verified

When a user issues the DELETE FROM tablename command without specifying a WHERE condition, .


A) no rows will be deleted
B) the first row will be deleted
C) the last row will be deleted
D) all rows will be deleted

E) A) and D)
F) B) and D)

Correct Answer

verifed

verified

Showing 61 - 80 of 111

Related Exams

Show Answer