Question 1 of 25
Hints left: 3
Q1
Which of the following is not a restriction for a table to be a relation?
Q2
Enterprise Resource Planning (ERP) is an example of a single user database.
Q3
The primary key is selected from the:
Q4
A relation is considered a:
Q5
Microsoft Access is an enterprise-class database product.
Q6
Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.
Q7
The different classes of relations created by the technique for preventing modification anomalies are called:
Q8
A database has a built-in capability to create, process and administer itself.
Q9
In the relational model, relationships between relations or tables are created by using:
Q10
A functional dependency is a relationship between or among:
Q11
The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server.
Q12
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
Q13
The purpose of a database is to help people stop using spreadsheets.
Q14
Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape.
Q15
Row is synonymous with the term:
Q16
A database design may be based on existing data.
Q17
A relation is in this form if it is in BCNF and has no multivalued dependencies:
Q18
Database applications are seldom intended for use by a single user.
Q19
The DBMS ranked as being the "easiest to use" in the text is Oracle Corporation's Oracle.
Q20
Which of the following is a group of one or more attributes that uniquely identifies a row?
Q21
The XML family of standards is very important in database processing today.
Q22
In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.
Q23
Table is synonymous with the term:
Q24
Applications are programs that interact directly with the database.
Q25
Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: