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DBMS Quiz 1

A visually engaging illustration of a database management system, featuring relational diagrams, tables, and SQL code snippets, in a modern, tech-inspired style.

DBMS Fundamentals Quiz

Test your knowledge on Database Management Systems (DBMS) with this comprehensive quiz designed for students, developers, and database enthusiasts. Dive into various topics ranging from relational databases to SQL commands and key concepts.

Multiple choice and checkbox questions
Covers essential DBMS concepts
Great for self-assessment and learning

15 Questions4 MinutesCreated by CodingCat101

Select the FALSE statement.

A table must have at least one row

In many commercial DBMS products the maximum number of columns in a table is limited to 255

In most commercial DBMS products the maximum number of rows in a table is unlimited or very large

Rows in a table are considered to be unsorted

a table must have at least one column

In a relational database a synonym for column is

Attribute

tuple

Row

table

Record

The order of columns in a relational table (is)

Based on the value of the foreign key

Left to right as defined when the table is created

Optimized by the database engine

Based on the value of the primary key

Changes as data is inserted and deleted

In a ‘one to many’ relationship between 2 tables, foreign keys are stored in ____ tables

Special key

Either parent or child depending on the nature of the relationship

Child

Parent

You need to insert a new product into a Product table but the classification (a grouping such as “stationery”) into which this product fits is yet to be determined. What would likely be entered for the classification code assuming it is a 3 position character field?

Nothing

N/A

Three spaces

000 (three zeros)

High values

A primary key created from two or more columns is referred to as a(n) _____ primary key

Value added

Qualitative

Non unique

Indexed

Composite

The term “surrogate” is usually associated with

Foreign keys

Cross table relationships

Primary keys

File systems

Indexes

In a ‘one to many’ relationship between 2 tables, foreign keys are stored in ____ tables

Special key

Either parent or child depending on the nature of the relationship

Parent

Child

A "thing" such as a Fixed Asset would likely be considered a(n) ___ in a relational model

Attribute

Field

Entity

Column

Value

SQL provides

Data selection and retrieval

Data definition

Data integrity

Access control

All of the above

What is a key attribute?

Any property that is a Primary Key or a Foreign Key

A property that uniquely describes an entity

The central entity in an ERD

Any property that describes an entity

The most common property of an entity

SQL is a(n)

Programming language unique to Microsoft

OO language like Java

3rd generation language like COBOL

Language designed for relational databases

Database engine

What is the maximum size of table name

200

In Oracle, when a column is declared as a CHAR(x) data type, the maximum value of x is

2000

32,767

2,147,483,648

Unlimited

4000

An application that uses SQL is portable from one DBMS to another

Usually, but will likely require significant changes

Always, since SQL is standardized

usually, with minor modifications required

Never, since SQL is unique to IBM

Rarely, since there are so many standards and levels of compliance

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