SQL and Relation Databases - Reading Assignment

Blockchain Business Course
#281

  1. a set of data representing one item (e.g. the “item” could be an employee)

  2. a labeled element of a “tuple”. Or: the type of informations we want to store about our “items” in the rows. In case of an employee represented by a row in our DB, the columns could be “hire date”, “address”, “department”, “monthly pay” etc.

  3. the together of rows and columns, or a set of “tuples” (in my example employees) sharing the same attributes (=every employee has always and undoubtedly the attributes hire date, address, department and monthly pay)

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#282

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

  2. What is a column?
    A Column is an Attribute or field - A labeled element of a tuple, e.g. “Address” or “Date of birth”

  3. What is a table?
    A Table is a Relation or Base relvar - A set of tuples sharing the same attributes; a set of columns and rows

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#283
  1. A row - a data set that represents a single item
  2. A Column- a labeled element of a group
    3 A table- a set of groups sharing the same attributes
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#284

  1. What is a row?
    A piece of data representing a single entity

  2. What is a column?
    A piece of data representing a tuple

  3. What is a table?
    A set of tuples sharing the same attributes.

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#285
  1. A row is a “Tuple” which contains a single record of the information.
  2. A column is an “Attribute” which stores a different type of information in the tuple.
  3. Together they make a “Relation” which is the same as a table, representing a set of records.
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#286
  1. Row- data set representing a single item
  2. Column- labeled element of a row/tuple eg. address, date of birth
  3. Table- a set of columns and rows
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#287
  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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#288
  1. What is a row? A record representing a single item
  2. What is a column? A defined attribute of a tuple
  3. What is a table? A set of rows and columns
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#289

  1. A row is a record in a data set that represents a single item.

  2. A column is a defined attribute in a data set.

  3. A table is a data set that contains rows and columns.

2 Likes
#290

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

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#291
  1. a row is a data set that represents a single item
  2. a column describes the data of the rows (like the DOB or Address)
  3. a table a set of columns and rows
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#292

[quote=“ivan, post:1, topic:6430”]

  • What is a row?
    A row is a record, it is a data set representing a single item
  • What is a column?
    An Attribute or field, a labeled element of a tuple (row), e.g. “Address” or “Date of birth”
  • What is a table?
    A Relation or Base relvar, A set of tuples (rows) sharing the same attributes; a set of columns and rows.
2 Likes
#293

1: A data set representing a single item
2: is an attribute of an item Ex age sex etc
3: a table is a set of rows and columns

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#294

  1. What is a row?
    A data set representing a single item - name, ID,…

  2. What is a column?
    A labeled element of a tuple - Address, Date of birth,…

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

3 Likes
#295

  1. Each row is a record

  2. Each column is an attribute or value for the record.

  3. It is a set of records constructed by using rows and columns

2 Likes
#296
  1. A data set which represents a single item
  2. A labelled element of a tuple, like and Address or a DOB
  3. A set of tuples sharing the same attributes a set of columns and rows
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#297
  1. A row is a dataset representing a single item.
  2. A column is a labeled element of a tuple. A tuple being a finite list of ordered elements.
  3. A table is a set up tuples sharing the same attributes or a set grouping of columns and rows.
1 Like
#298

  1. What is a row?
    Record of dataset for single item

  2. What is a column?
    attribute that is a label element of tuple

  3. What is a table?
    relation that is set of that have same attributes

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#299

1.- Record of dataset for an item
2.- A labeled element of a tuple
3.- A set of columns and rows filled with data

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#300

  1. A row is a record or data set, consisting of multiple columns within a table

  2. A column is an attribute, commonly a label which exist within a table

  3. A set of columns and rows storing data with common attributes.

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