SQL and Relation Databases - Reading Assignment

  1. Row = record. Represents one type of object/item that has a value in column.
  2. Column = attribute/field. There is a data about a object in a row.
  3. Table = relation. Set of columns and rows.
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  1. What is a row?
  • a row is a SQL-term corresponding to relational database term “record”
  • “a data set representing a single item”
  1. What is a column?
  • a column is a SQL-term corresponding to relational database term “attribute” or “field”
  • “a labeled element of a tuple” (e.g. ‘address’ or ‘date of birth’)
  1. What is a table?
  • a table is a SQL-term corresponding to relational database term “relation” or “base relvar”
  • set of tuples sharing the same attributes - a set of columns and rows
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  1. A row is simply one record of data in the database
  2. The column is where specific type of data is collected (e.g.birthdate or adress)
  3. The table is a set of data that is collectively kept in one place. Various tables with interlinked fields comprise the relational database
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  1. What is a row?
    A record of a single item.

  2. What is a column?
    A labeled element of a single item

  3. What is a table?
    A table is a set of rows and column, or a set of single items who share the same attributes.

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

  2. What is a column?-A labeled element of a record , e.g. “Address” or “Date of birth”

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

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  1. Row: Contains all the data for a record.

  2. Column: Contains data for a specific field.

  3. Table: Organizes data into rows and columns similar to a spreadsheet.

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  • What is a row? --> One record within a table
  • What is a column? --> An attribute of the record
  • What is a table? --> A set of records with their attributes
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  1. a record a data that represents a single item.
  2. an attribute or a field like an address or name
  3. groups sharing the same attributes the rows and columns
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  1. ROW is a record which is a data set representing a single term.
  2. COLUMN is an attribute or a field which is a labeled element of a tuple.
  3. TABLE is a relation – a set of tuples sharing the same attributes
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  1. Row
    A single entry in a table is called a Tuple or Record or Row. A tuple in a table represents a set of related data.

  2. Column
    A table consists of several records(row), each record can be broken down into several smaller parts of data known as Attributes (Columns).

  3. Table
    In the relational database model, a Table is a collection of data elements organised in terms of rows and columns.

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  1. a record of a single item.
  2. A labeled element of a tuple.
  3. a set of columns and rows
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  1. What is a row?
    It is a record in the table
  2. What is a column? It is the attribute of the table
  3. What is a table? It is a relationship between row and column
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  1. What is a row?

A data set representing a single item.

  1. What is a column?

An attribute or a labeled element.

  1. What is a table?

A set of columns and rows ordered; or a collection of rows and columns that share elements

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• What is a row?

Row record A data set representing a single item"

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

• What is a table?

Table Relation or Base relvar A set of tuples sharing the same attributes; a set of columns and rows View or result set Derived relvar query

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  1. Set representing a single item (I think as an example a number)
  2. A labeled element (Example: age, sex, blood type)
  3. A set of tuples sharing the same attributes (Example: A data structure for a classroom)
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  1. What is a row?
    A dataset representing a single item.

  2. What is a column?
    A labeled element of a single item such as “address” or “date of birth”

  3. What is a table?
    A table is a set of rows and columns, or a set of single items who share the same attributes.

  1. A Row is a single set of data also known as a record.
  2. A Column, also know as a attribute, is a labeled element of a tuple or table
  3. A Table, also know as relation, is a set of tuples sharing the same attributes.
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  1. A row is a single data record (data set for singe item).
  2. A column is a set of data values of a particular type, one value for each row of the database (called attribute in SQL terms).
  3. A table is a database object that contains all the data in a database. In a table, data is logically organized in a row-and-column format similar to a spreadsheet. A set of columns and rows sharing the same attributes.
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1 A row is a Record…like a person or single item.
2 A Column is an attribute or field like an address or dob.
3 A table is a set of columns and rows that share the same attributes or fields.

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  1. A data set representing a single item.
  2. A labeled element of a tuple, such as the address or date of birth of a person.
  3. A set of tuples sharing the same attributes; in other words a set of columns and rows.l
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