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

#53
  1. What is a row?
    A data set representing a single item- as in, data of height, weight, and age for a person.

  2. What is a column?
    A labeled element of a tuple- as in one piece of information, such as height

  3. What is a table?
    A set of tuples sharing the same attributes; a set of columns and rows- depending on the query (key) used to gather specific data, such as, all boys who are 150 cm


#54
  1. What is a row?

A record in a table.

  1. What is a column?

A field of the record (or “object”). Also the term can be used for an array of some field values.

  1. What is a table?

An array of objects (if very simplified). A dataset of entities that have the same structure.


#55
  1. What is a row?
    Record - a data set representing a single item.
  2. What is a column?
    Attribute - a labeled element or a row.
  3. What is a table?
    A set of columns and rows.

#56
  1. What is a row? data set of attributes for constant, same variable
  2. **What is a column?**data set of attributes for multiple variables
  3. **What is a table?**rows and columns for relational data

#57
  1. What is a row?
    data, value
  2. What is a column?
    attributes
  3. What is a table?
    relation

#58
  1. Row: One record, describes attributes of an entity, usually anchored to one key piece of data, searched-by in a DB
  2. Column: is an attribute type of the records (like excel file data headers).
  3. Table: A set of records with their data organized under types (columns). X x Y.

#59
  1. What is a row? is a record of a unit ‘data’
  2. What is a column? is an attribute of that unit ‘data’
  3. What is a table? several attributes joined together to form a record of the unit ‘data’ we need to store and manipulate

#60

A row is a single item or entry

A column is an attribute or field

A table is a relation or a set of columns and rows