- a tuple
- an Attribute
- a set of tuples sharing the same attributes
- A data set representing a single item, or ârecordâ. Like one personâs name, address and phone number.
- Normally called a âfieldâ. This would be like referring to the names, ot the addresses, or the phone numbers.
- A set of columns and rows collectively
- Record in a table.
- An attribute or field in a table.
- It is the relationship between rows and columns.
- A row is a single item (user for ex.)
- a column is a attribute that you give to your items (ex. age)
- The table is the collection of rows and columns that is the structure of your database.
- What is a row?
A data set representing a single item - What is a column?
A labeled element of a tuple, e.g. âAddressâ - What is a table?
A set of columns and rows
- A single record
- The attribute of the record
- A set of columns and rows
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What is a row?
Data represented in a single item -
What is a column?
labeled element of a tuple -
What is a table?
set of columns and rows
-
What is a row?
Each row is an array. -
What is a column?
Each column is an attribute/property/field of an array. -
What is a table?
It is an ordered combination of several rows sharing the same columns.
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A row is a SQL term for a data set representing a single item.
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A column is a SQL term for an attribute.
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A table is a set of columns and rows.
- A data set representing a single item, in a Database it represents a Record
- A labeled element of a tuple, in a Database it represents an Attribute or a field
- A set of columns and rows, in a Database it represents relations
- A data set representing a single item
- it shows stores the attribute or field, labeled element.
3.a set of columns and rows sharing the same attributes
1. What is a row?
- âA data set representing a single item.â
2. What is a column?
- âA labelled element of a tuple e.g. address or D.O.B.â
3. What is a table?
- âA set of tuples sharing the same attributes; a set of columns and rowsâ
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What is a row?
A: A data set representing a single item -
What is a column?
A: A labeled element of a tuple -
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
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
1
Itâs a record, all the information about an item. For example a personâs name in an address-book db.
2
Itâs just one field of the item. A particular information about a person (name or streetâŠ) in the address-book example.
3
Itâs a collection of reusable fields: The table of cities for the address book⊠Via a âlinkâ they can be retrieved dynamically and fast thanks to the âkeysâ the cities were indexed.
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What is a row?
In SQL a row represents a dataset or record -
What is a column?
A column is the attribute associated with the dataset -
What is a table?
A table is a group of rows and columns where the records in the table share the same attributes
1- A data set representing a single item
2-A labeled element of a tuple, e.g. âAddressâ or âDate of birthâ
3- a set of columns and rows
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
SQL and Relational Databases - Reading Assignment
- What is a row?
The record of data represented in a single item.
- What is a column?
The «group» or label. In example Adress or mobilenumber.
- What is a table?
A set of columns and rows.