SQL and Relation Databases - Reading Assignment

  1. a tuple
  2. an Attribute
  3. a set of tuples sharing the same attributes
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  1. A data set representing a single item, or “record”. Like one person’s name, address and phone number.
  2. Normally called a “field”. This would be like referring to the names, ot the addresses, or the phone numbers.
  3. A set of columns and rows collectively
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  1. Record in a table.
  2. An attribute or field in a table.
  3. It is the relationship between rows and columns.
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  1. A row is a single item (user for ex.)
  2. a column is a attribute that you give to your items (ex. age)
  3. The table is the collection of rows and columns that is the structure of your database.
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  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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  1. A single record
  2. The attribute of the record
  3. A set of columns and rows
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  1. What is a row?
    Data represented in a single item
  2. What is a column?
    labeled element of a tuple
  3. What is a table?
    set of columns and rows
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  1. What is a row?
    Each row is an array.

  2. What is a column?
    Each column is an attribute/property/field of an array.

  3. What is a table?
    It is an ordered combination of several rows sharing the same columns.

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  1. A row is a SQL term for a data set representing a single item.

  2. A column is a SQL term for an attribute.

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

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  1. A data set representing a single item, in a Database it represents a Record
  2. A labeled element of a tuple, in a Database it represents an Attribute or a field
  3. A set of columns and rows, in a Database it represents relations
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  1. A data set representing a single item
  2. it shows stores the attribute or field, labeled element.
    3.a set of columns and rows sharing the same attributes
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1. What is a row?

  • “A data set representing a single item.”

2. What is a column?

  • “A labelled element of a tuple e.g. address or D.O.B.”

3. What is a table?

  • “A set of tuples sharing the same attributes; a set of columns and rows”
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  1. What is a row?
    A: A data set representing a single item

  2. What is a column?
    A: A labeled element of a tuple

  3. What is a table?
    A: A set of tuples sharing the same attributes; a set of columns and rows

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  • What is a row?
    Record or tuple - dataset
  • What is a column?
    Attribute or field - labeled element
  • What is a table?
    Relation or base revlar - set of tuples sharing same attributes
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Row = Record; data set of single item

Column= labeled element of tuple; adress or DOB

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

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1
It’s a record, all the information about an item. For example a person’s name in an address-book db.

2
It’s just one field of the item. A particular information about a person (name or street
) in the address-book example.

3
It’s a collection of reusable fields: The table of cities for the address book
 Via a “link” they can be retrieved dynamically and fast thanks to the “keys” the cities were indexed.

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  1. What is a row?
    In SQL a row represents a dataset or record

  2. What is a column?
    A column is the attribute associated with the dataset

  3. What is a table?
    A table is a group of rows and columns where the records in the table share the same attributes

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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 columns and rows

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1 - a dataset of an item
2 - a labeled element of a tupled data pair
3 - a set of columns and rows that share the same attributes

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SQL and Relational Databases - Reading Assignment

  1. What is a row?

The record of data represented in a single item.

  1. What is a column?

The «group» or label. In example Adress or mobilenumber.

  1. What is a table?

A set of columns and rows.

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