SQL and Relation Databases - Reading Assignment

Blockchain Business Course
#81
  1. The row is a collection of data from a key item in the database. This can be many things such as age, height, location…etc
  2. A column is one specific data which is applied in all the rows in the database. For example Age only will give back the age data of all the records.
  3. A Table is a collection of rows and columns.
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#82

ROW: A data set representing a single item. In the context of a relational database, a row—also called a tuple—represents a single, implicitly structured data item in a table. … Each row in a table represents a set of related data, and every row in the table has the same structure.

COLUMN: A labeled element of a tuple, e.g. “Address” or “Date of birth”. Columns define the data in a table, while rows populate data into the table. Most databases allow columns to contain complex data like images, whole documents or even video clips.

TABLE: A set of tuples sharing the same attributes; a set of columns and rows is made up of rows and columns.
If you think of a table as a grid, the column go from left to right across the grid and each entry of data is listed down as a row. Each row in a relational is uniquely identified by a primary key. This can be by one or more sets of column values.

#83
  1. Row = a Record - a Data set representing a single item.
  2. Column = Data Attribute/field - a Labeled element of a data structure consisting of multiple parts.e.g. “Address” or “Data of Birth”
  3. Table = Relation or Base relvar - A set of tuples(a data structure consisting of multiple parts) sharing the same attributes; a set of columns and rows
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#84

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

  2. What is a column?
    A labeled element of a tuple, e.g. “Address”

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

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#85

1. What is a row?

A row is the location a single item record of a table (also known as a Tuple)

2. What is a column?

A column is the location an attribute of a row in a table. (Also known as a labelled tuple)

3. What is a table?

A table is a set of rows sharing the same columns (Tuples and Attributes) used to visualize a Database

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#86
  1. What is a row?

A data set representing a single item

  1. What is a column?

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

  1. What is a table?

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

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#87

1 A data set representing a single item (one piece)
2 A labeled element of a tuple, e.g. “Address” or “Date of birth” “name” “age” …
3 A set of tuples sharing the same attributes; a set of columns and rows.
(The entire table in the example)

Hi could you please give a visual example in which you label these 3 expressions please?

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#88

1-What is a row?
It is a record that represents a stored data. Single item

2-What is a column?
It is the attribute or title where the row record will be made.

3-What is a table?
A set of columns and rows with the same attributes

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#89

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

2 What is a column?
A column is a structure of labeled elements that will have some relation to the data in the row construct. eg Name Age Address = Row
Ann, 28, Ivan Town = Column

3 What is a table?
A table is the overall data structure made up of rows, columns/fields that allows sharing of the data within it.

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#90

It is a singel data set.
An attribute whith a data set.
A table consists of columns and rows of data, much like an Excel spreadsheet.

#91

1 Row it a single record in the database
2 A labeled element of a tuple
3 A set of tuples sharing the same attributes

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#92
  1. A row is a data set that represents a single record in the database. For example, a row can contain all the values or attributes relating to a specific person.
  2. A column holds a value or attribute for a specific record, such as a person’s name, date of birth, address, etc.
  3. A table is a set of records sharing the same rows and columns,
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#93
  1. A row is how each record is stored in a database.
  2. A column is an attribute of each record.
  3. A table is a collection of rows and columns.
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#94

What is a row?
A record – a data set representeing a single item.

What is a column?
An attribute – a labeled element of a tuple (finite, ordered list).

What is a table?
A relation – a set of tuples (ordered lists) sharing the same attributes; a set of columns and rows.

#95

  1. A row is an entry (an element, a record, an item) in a table, for example a person

  2. A column is a caracteristic (an attribute, a field) in a table, for example age, height, gender, address.

  3. A table is part of a database, it organizes the data, it has rows and columns.

#96

A row is a tuple. This horizontal is a data set representing a single item, such as a name.

A column is the data, a value, related to the tuple, which acts as a key.

A table is, as a set of columns and rows, a group of tuples. Such as a list of Academy Students and their associated data; location, courses, etcetera.

#97
  1. A row is a single record a Person
  2. A column is an attribute of a record. The name of the person
  3. A table is a set of records. Many persons
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#98
  1. A row is a set of information belonging to a single record.
  2. The type of the aforementioned set of information is defined by the column.
  3. A table is the combination of rows and columns. Relational databases basically are just a bunch of tables with rows and columns.
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#99
  1. A row is a singular data set
  2. A column represents the attributes of a particular data set.
  3. A Table is a collection of rows and columns displaying data
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#100
  1. Row: A record of a single Item.
  2. Column: It is an attribute or a field. Such as age.
  3. Table: Relations, a collection of rows and columns.
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