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
20
30
50
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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