SQL and Relation Databases - Reading Assignment

Blockchain Business Course
#862
  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
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#863
  1. **What is a row?
  • A row or a record is a data set representing a single item.
  1. **What is a column?
    -A column or also called attributes or fields are a labelled element of a tuple.
  2. **What is a table?
    -A table is a set of tuples that are sharing the same attributes, basically a set of columns and rows.
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#864

1.a record of a single data set
2.the attributes of a certain data set
3.a collection of rows and columns

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#865
  1. A single data point
  2. The attributes of a labeled element.
  3. A set of columns and rows
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#866

SQL and Relation Databases – Questions


1. What is a row?

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


2. What is a column?

A column in a database table is a particular labeled element corresponding to a record/item of interest. A column is also called an attribute or a field.


3. What is a table?

A database table is a set/collection of rows and columns.

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#867

What is a row? - a record that represents a single item

What is a column? - a labeled attribute or field

What is a table? - a set of columns and rows the share the same attributes

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#868
  1. What is a row?
    A record of a single item of the type of object described in that table
  2. What is a column?
    Columns in a table are the set of facts that we keep track of about that type of object.
  3. What is a table?
    A database table is simply a table of columns and rows . Different tables contain information about different types of things
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#869
  1. A row is a single entry in a database. For example a table storing user data would hold their id, username, password & email.
  2. In the example above, username would be a column. It lables one attribute of the rows.
  3. A group of entries which have the same attributes. For example users would be one table, messages another.
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#870

  1. What is a row?
    A horizontal line in a database for data to be listed, a new row for each data item

  2. What is a column?
    A vertical line in a database for data to be sorted, categories that can be grouped or searched from each row of data

  3. What is a table?
    A table is the sum of the rows and columns of data that holds the data in one container to be easily referenced by name

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#871
  • What is a row?
    A row is a data set represent a single item.
  • What is a column?
    A column is a labeled element relating to 1 characteristic, attribute or field only
  • What is a table?
    A set of column and rows
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#872
  1. What is a row?
    A record of attributes for a single item
  2. What is a column?
    An attribute of a single item
  3. What is a table?
    A set of columns and rows
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#873

Row is an data set representing a single item like user also called a record.
Column is an attribute of a record like “address” or “date of birth”.
Table is a set of records. a set of columns and rows!

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#874
  1. Row: A data set representing a single item
  2. Column: A labelled element of a tuple, e.g. “Address” or “Date of birth”
  3. Table: A set of tuples sharing the same attributes; a set of columns and rows
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#875

Row: A data set representing a single item

Column: A labeled element of a tuple , address, date of birth etc

Table: A set of columns and rows

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#876

  1. A row is a record of each variable with a unique ID called ‘Key’.

  2. A column in SQL holds attributes of data.

  3. A table is a relation or relation variable (revlar) that shares the same attribute.

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#877

  1. A row is a single data record (or the record)

  2. A column is an attribute to or of the data record

  3. The table is the set of rows and columns displaying relations

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#878

  1. What is a row? A row is a record of a single item

  2. What is a column? A column is an attribute or field that is a labeled element of the data set.

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

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#879

1 A data set representing an item.

2 A labeled element.

3 Is the information shared between the columns and rows.

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#880

A Row is a data set representing a single item

A column is a labelled element of a tuple

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

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#881
  1. A row is a record of data set representing a single item
  2. A column is attribute or field, a labeled element of a tuple
  3. A table is relation, a set of columns and rows
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