O'Reilly logo

Database Systems: Concepts, Design and Applications by S. K. Singh

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

State True/False

1.In 1980 Dr. E. F. Codd was working with Oracle Corporation.
2.DB2, System R, and ORACLE are examples of relational DBMS.
3.In the RDBMS terminology, a table is called a relation.
4.The relational model is based on the core concept of relation.
5.Cardinality of a table means the number of columns in the table.
6.In the RDBMS terminology, an attributes means a column or a field.
7.A domain is a set of atomic values.
8.Data values are assumed to be atomic, which means that they have no internal structure as far as the model is concerned.
9.A table cannot have more than one attribute, which can uniquely identify the rows.
10.A candidate key is an attribute that can uniquely identify a row in a table.
11.A table can have only one ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required