SQL and Relation Databases - Reading Assignment

Blockchain Business Course
#582
  1. What is a row?
    A row is a data set representing a single item (the record)
  2. What is a column?
    A column is a labeled element of an item (one of manny, aka attribute or field)
  3. What is a table?
    A combination of rows and columns that reveal relations within the database
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#583
  1. A row or record in relational database terms is a data set representing a single item.
  2. A column or attribute in relation database terms is a defined element of a tuple such as an address or date of birth.
  3. A table or relation in relational database terms is a set of tuples sharing the same characteristics.
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#584

What is a row?
A set of data based on one item.

What is a column?
Specific data for each item. (Height, weight, colour, etc…)

What is a table?
A set of data for all items and their respective attributes.

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#585

1.What is a row?

A data set representing a single item.

2.What is a column?

A labeled element of an address or date of birth.

3.What is a table?

A set of columns and rows.

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#586

  1. A Row is a one record of information.

  2. A Column should be a single type a Data.

  3. A Table is a data broken out to columns and rows

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#587

Reading Assignment: SQL & Relational Databases

  1. What is a row?
    It is a record of data set representing a single item in a tuple.

  2. What is a column?
    It’s Attribute or Field that label element of a tuple, e.g. “Address” or “Date of birth”

  3. What is a table?
    It’s a Relation or Base

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#588
  1. A data set representing a single item.
  2. A labeled element of a tuple, e.g. “Address” or “Date of birth”.
  3. A set of tuples sharing the same attributes; a set of columns and rows.
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#589

  1. Row is a record, a single item. Ex : a person

  2. Column is an attribute , a labeled element of a tuple. Some types of info , adress / age…

  3. Set of colums and rows sharing the same attributes of the tuples

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#590
  1. a record of single item
  2. column is a label of a single item
  3. set of rows and columns
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#591
  1. Row is a data set representing one single item.
  2. Colum is labeled element of a tumble
  3. is a set of tumples sharing the same attribute
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#592

Rows - A data set representing a single item in a tuple (also called a record)
Column - A labeled element of a tuple, a single type of data (also called an attribute or field)
Table - A set of tuples sharing the same attributes; a set of columns and rows (also called a relation or base relvar)

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#593

SQL and Relational Databases - Reading Assignment:

Q1: What is a row?
A: A Row is a data set representing a single item, aka a ‘record’.

Q2: What is a column?
A: A column is a labeled element of a tuple, e.g “Address” or “Date of birth”, aka an ‘attribute or field’.

Q3: What is a table?
A: A table is a set of tuples sharing the same attributes; a set of columns and rows, aka a “relation or base relvar”.

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#594
  1. A data set representing a single item
  2. A labeled element of a tuple
  3. A set of columns and row
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#595

1. What is a row?
It is a record which represents a single item. (Tuple)
2. What is a column?
It is an attribute or labelled element. (Attribute)
3. What is a table?
It is a set of rows sharing the same columns. (Tuples and Attributes)

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#596
  1. What is a row?
    a record in a table which data set represents a single item
  2. What is a column?
    an attribute, labeled element of a tuple
  3. What is a table?
    a set of columns and rows
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#597
  1. A data set representing a single item
  2. A labeled element of a tuple, e.g. “Address” or “Date of birth”
  3. A set of tuples sharing the same attributes; a set of columns and rows
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#598

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

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#599

  1. What is a row?

    A data set that represents a single intem.

  2. What is a column?

    An attribute or labeled element; every row gives a value for each row.

  3. What is a table?

    A data set that consist of Columns and Rows.

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#600

image

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#601
  1. set of data representing a single item /record/
  2. set of data attributed to an element I.e. address, DoB etc / field or attribute/
  3. set of columns and rows
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