SQL and Relation Databases - Reading Assignment

Blockchain Business Course
#722
  1. data of a single item
  2. attributes of the data
  3. relation sharing the same attributes
1 Like
#723
  1. What is a row?
    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 .
  2. What is a column?
    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 .
  3. What is a table?
    rows and columns
2 Likes
#724

1, A row is a data set requiring a single item (record)
2.A column is an attribute(or field) of each data set, a label element of Tuple eg date of birth, Address etc
3.A Table is a set of tuples sharing the same attributes. A set of columns and rows. A relation or base relver.
4. A view or result set is a derived relver or query.
Data is stored in the form of tables

1 Like
#725
  1. A data set representing a single item.
  2. A labeled element of a tuple, for example an address or birth date.
    3.A set of tuples sharing the same attributes; a set of columns and rows
2 Likes
#726
  1. What is a row?

A row is record. It is a data set representing a single item.

  1. What is a column?

A column is an attribute or field. It is a labeled element of a tuple, e.g. “Address” or “Date of Birth”

  1. What is a table?

A table is a Relation or Base relvar. It is a set of tuples sharing the same attributes; a set of columns and rows.

1 Like
#727

What is a row?

A record, a data set representing a single item. Also called tuple.

What is a column?

An attribute or field, a labelled element that is entered for each tuple/row.

What is a table?

A relation, a set of tuples sharing the same attributes.

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#728

  1. A row is a record.

  2. A column is the attribute.

  3. A table consist of rows and columns.

1 Like
#729

What is a row?
A data set representing one single item

What is a column?
A labeled element of a tuple

What is a table?
A set of tuples sharing the same attribute

1 Like
#730

  1. Row: An SQL term for a record in relational databases. A row is a data set representing a single item. Also called a tuple.

  2. Column: An SQL term for an attribute or field in relational databases. A column defines a particular piece of data about an item. i.e. The weight of an object.

  3. Table: An SQL term for a relation or base relvar in relational databases. It is a set of records sharing the same attributes.

1 Like
#731
  1. A row is a record.
  2. A column is the attribute.
  3. A table consist of rows and columns.
1 Like
#732

  1. What is a row?
    A row is the relational DB terminology for a record, describing a dataset of which represents a single terminology.

  2. What is a column?
    A column is the attribute and/ or field. A column can be described as labeled element pertaining to a tuple. For example, “Age”, “Date of Birth”, etc…

  3. What is a table?

A table is the relational DB terminology for base relvar and/ or relation. Tables can be described as sets of tuples of which attributes are shared. In other words, sets of rows and columns.

Best Regards,

References
Retrieved From: https://en.wikibooks.org/wiki/Introduction_to_Information_Technology/Relational_Databases

1 Like
#733
  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
1 Like
#734
  1. Data representing a single item
  2. A labled element of a tuple, eg. “Address or Date of Birth”
  3. A set of tuples sharing the same attributes. A set of columns and rows
1 Like
#735

1 - A data set representing a single item (i.e. a user)
2 - An attribute or field of a data set (i.e. address, age)
3 - A set of rows sharing the same columns (attributes)

1 Like
#736
  1. What is a row?
    a row is a data set representing a single item
  2. What is a column?
    an attribute or field of each data set
  3. What is a table?
    a set of data that shares the same attributes
1 Like
#737
  1. A Row is a record of the data of a single item represented.

2)A column is a labeled element of an Attribute like : Age, weight, height, etc.

3)A Relation or Base with tuples sharing the same attributes and has the rows and columns of the data.

1 Like
#738

A database is a table of information with rows and columns.
A row - A data set representation of a single item (tuple).
A column - Is a labeled element in a row (attribute).
A table - The total set of of rows and columns.

1 Like
#739
  1. a data set, representing an item
  2. attribute
  3. a set of columns and rows
1 Like
#740
  1. A row is a data set that represents a single item.
  2. A column is a labeled element of a tuple.
  3. A table is a set of tuples that share the same attributes.
1 Like
#741 
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
1 Like