SQL and Relation Databases - Reading Assignment


#41
  1. What is a row? A row, also known as a record or tuple, represents a single, implicitly structured data item in a table. Or another way to say it, is a row is a data set representing a single item. Each row in a table represents a set of related data, and every row in the table has the same structure.
  2. What is a column? A column, also called an attributer or field is a labeled element of a tuple, e.g. "Address" or "Date of birth". It is a set of data values of a particular simple type, one value for each row of the database. A column may contain text values, numbers, or even pointers to files in the operating system.
  3. What is a table? A table, also called a Relation or Base relvar, is a collection of related data held in a structured format within a database. A set of tuples sharing the same attributes; a set of columns and rows.

#42
  1. What is a row?
    A data set representing a single item

  2. What is a column?
    A labeled element of a tuple

  3. What is a table?
    a set of columns and rows


#43
  1. What is a row?
    The record of an item

  2. What is a column?
    Attribute assigned to the items

  3. What is a table?
    A set of relations


#44

1. What is a row?
It is a record representing an Item.
2. What is a column?
It is a field storing an attribute value.
3. What is a table?
Data type that stores record(s).


#45
  1. What is a row?

Ans. A data set representing a single item.

  1. What is a column?

Ans. A labeled element of a tuple, e.g. “Address” or “Date of birth”.

  1. What is a table?

Ans. A set of tuples sharing the same attributes; a set of columns and rows.


#46
  1. What is a row?
    Different characteristic from the same item
  2. What is a column?
    Different attribute from the same Table
  3. What is a table?
    A some of Rows and Columns that have relations between them

#47
  1. What is a row?
    • A single record
  2. What is a column?
    • A set of data
  3. What is a table?
    • A set of rows and columns

#48
  1. What is a row?
    A row is a single record. A user, for example.

  2. What is a column?
    A column is an attribute of a record. The age or sex of a user, for example.

  3. What is a table?
    A table is a set of records. A set or rows and columns.


#49
  1. Row in a table is a record representing a complete data set.also known as a tuple in a database.
  2. A column in a table contains a set of data or an attribute of each of its corresponding tuples(rows)
  3. A table is a data structure or relation which can hold data in a matrix format within its cells corresponding to the rows and columns.

#50
  1. A row is a dataset (or record) representing a single item.
  2. A column is an attribute of each dataset.
  3. A table is a set of columns and rows sharing the same attributes.

#51
  1. What is a row?
    A row is a tuple. it is a data set of a single item/person

  2. What is a column?
    A column is a data set representing a single attribute

  3. What is a table?
    A table is a set of tuples sharing the same attributes


#52
  • What is a row?
    A data set representing a single item.
  • What is a column?
    A labeled element of a tuple, e.g. “Address” or “Date of birth”
  • What is a table?
    A set of tuples sharing the same attributes; a set of columns and rows