MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -A row, or record, is also known as a tuple. The columns in a table is a field and is also referred to as an attribute.

Detailed explanation-2: -An attribute is a characteristic. In a database management system (DBMS), an attribute refers to a database component, such as a table. It also may refer to a database field. Attributes describe the instances in the row of a database.

Detailed explanation-3: -An attribute refers to the quality of a characteristic. The theory of attributes deals with qualitative types of characteristics that are calculated by using quantitative measurements.

Detailed explanation-4: -In relational databases, attributes are the describing characteristics or properties that define all items pertaining to a certain category applied to all cells of a column. The rows, instead, are called tuples, and represent data sets applied to a single entity to uniquely identify each item.

Detailed explanation-5: -A database consists of tables, each of which has columns and rows. Each row (called a tuple) is a data set that applies to a single item, and each column contains characteristics that describe the rows. In database lingo, these columns are called attributes.