SQL and Relation Databases - Reading Assignment

Blockchain Business Course
#922
  1. A single record on the database. A piece of data.
  2. An attribute of an item. It is related to the row.
  3. A set of columns and rows.
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#923

Tables

A database table is just that, a table with rows and columns. Different tables contain information about different types of things.

Rows

Each row in a database table represents one instance of the type of object described in that table. A row is also called a record .

Columns

The columns in a table are the set of facts that we keep track of about that type of object. A column is also called an attribute or a field

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#924
  1. What is a row? : Record ; A data set representing a single item
  2. What is a column? : Attribute or Field ; A labeled element of a tuple, e.g. “Address” or “Date of birth”
  3. 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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#925
  1. What is a row?
    singular data set in a table
  2. What is a column?
    a single attribute in a table
  3. What is a table?
    A collection of rows and columns make up a table
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#926

  1. What is a row?
    A “Record” of a single data set or item.

  2. What is a column?
    A Column is an “Attribute” or labeled element such as: Date, Age, Height, Color, Model, etc.

  3. What is a table?
    A table is a series of rows and columns with intersections or other relationships across that can use Tuples* to return queries with the data requested.

*They’re the technical term for a row in a database for one. Some languages use the word as a type to wrap what is essentially an array of objects.

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#927

1 - It’s a single record within the Table
2 - It’s an attribute containing characteristics that describe the rows
3 - It’s a set of columns and rows within the Database

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#928
  1. What is a row?
    A record of a single item
  2. What is a column?
    A labeled attribute of a single item
  3. What is a table?
    A set of columns and rows
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#929

Hi everyone,

  1. A row is a record, for example in an HR db an employee with his name, age, salary etc.
  2. A column is an attribute: in the above example, there would be a row for name, a row for age, etc.
  3. A set or rows and columns
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#930
  1. A record representing a single item
  2. It is an attribute or field representing a label element
  3. A set of columns and rows
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#931

1.) A row is defined as a data set representing a single term. The specific relational database term for a row is a “record”.
2.) A column is a labeled element of a tuple, for example an address or date of birth. The specific relational database terms for a column are an “attribute” or “field”.
3.) A table is a set of tuples that share the same attributes, or a same-set of columns/rows. The specific relational database terms for a table are “relation” or “base relvar”.

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#932
  1. Rows within databases/tables are records and represent one single dataset.
  2. A column describes the dataset - it’s an attribute of that specific dataset.
  3. Table - collection of rows and columns.
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#933

  1. A row is a dataset 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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#934

A ROw is a data set representing a single item
A COlumn is a labeled element of a tuple
A Table is a set of tuples sharing the same attributes, also can be referred to a set of columns and rows

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#935
  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” or “Date of birth”
  3. What is a table?
    A. set of tuples sharing the same attributes; a set of columns and rows
2 Likes
#936
  1. Row is the dataset representing a single item
  2. Column is an attribute
  3. Table is a set of records with rows and columns
1 Like
#937
  1. A row is a data set representing a single item
  2. A column is an attribute or a labeled element of a tuple
  3. A table is a set of columns and rows, or a set of tuples sharing the same attributes
1 Like
#938

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

  2. What is a column?
    A column is attribute of a data set.

  3. What is a table?
    A table is a combination of rows and columns, i.e. data sets with same attributes.

1 Like
#939
  1. a record representing a single item.
  2. an attribute or field that describes an item.
  3. a set of attributes that describe a set of items.
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#940

1. What is a row?
a. data representation of an item ( record or value)

2. What is a column?
a labeled of a finite order list (sequence) of elements [tuples]

3. What is a table>
a set of columns and rows; or a set of tuples sharing the same attributes.

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#941
  1. What is a row?
    Data set representing a singel item.
  2. What is a column?
    A labeled element of attributes
  3. What is a table?
    a set of entires sharing the same attributes, a set of columns and rows
1 Like