Which of the following database structure consists of a set of two or more related tables with a minimum of one shared field between them?
Which of the following include guidelines for creating tables in a relational database?
Data integrity refers to
The most important advantages of the hierarchical database model is/are
The data hierarchy which goes from bits and bytes to
What is the Duplicate data in multiple data files called?
The logical description of the entire database showing all the data elements and relationships among them called
The specific set of data from the database that is required by each user or application program called
The basic SQL aggregate function that gives the number of rows containing not null values for the given column is