Asked by: Jacque Bensen
technology and computing databases

What is a field that contains data unique to a record?

Last Updated: 7th April, 2020

Setting a primary key
The primary key is a field that contains data that is unique for each record.

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Also question is, which of the following is defined as a field that contains a unique value for each record?

primary key

Furthermore, what is a field in a database? 1) In a database table, a field is a data structure for a single piece of data. Fields are organized into records, which contain all the information within the table relevant to a specific entity.

Similarly, it is asked, what is field and record?

Fields and records are two basic components of a database, which is an organized collection of information, or data. The term "fields" refers to columns, or vertical categories of data; the term "records" refers to rows, or horizontal groupings of unique field data.

What does record mean in database?

Data is stored in records. A record is composed of fields and contains all the data about one particular person, company, or item in a database. In this database, a record contains the data for one customer support incident report. Records appear as rows in the database table.

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What is the purpose of the primary key?

The main purpose of a primary key is to implement a relationship between two tables in a relational database; it's not called arelational database for nothing! More specifically, the primary key is the "target" which a foreign key can reference.

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What is a collection of related records called?

A file is a collection of related records. If there are 100 employees, then each employee would have a record (e.g. called Employee Personal Details record) and the collection of 100 such records would constitute a file (in this case, called Employee Personal Details file). Files are integrated into a database.

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What do rows represent in a Datasheet?

Each row in a table represents a set of related data, and every row in the table has the same structure. For example, in a table that represents companies, each row would represent a single company.

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What is a relational database used for?

Relational databases use tables to store information. The standard fields and records are represented as columns (fields) and rows (records) in a table. With a relational database, you can quickly compare information because of the arrangement of data in columns.

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Is a database object used to enter data into a database table?

field: A single piece of information in a record in a database. For example, in a phonebook record, the fields would be: name, address, phone number. form: A database object used to enter data into a database table.

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What is automatically entered into the field when a new record is created?

When you create a field that is set to the AutoNumber data type, Access automatically generates a value for that field in every new record. The value is incremented by default, so that every new record gets the next available sequential number. For more information, see Add, set, change, or remove the primary key.

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In what view do query results display?

When you open an existing query in Access, it is displayed in Datasheet view, meaning you will see your query results in a table. To modify your query, you must enter Design view, the view you used when creating it. There are two ways to switch to Design view: On the Home tab of the Ribbon, click the View command.

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What are the six database objects?

Let's explore the six major components to Microsoft Access so that you can better understand how the database works.
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  • Relationships.
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  • Macros.

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What is a field name?

field name - Computer Definition
An assigned name for a field (NAME, ADDRESS, CITY, STATE, etc.) that will be the same in every record. Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY All other reproduction is strictly prohibited without permission from the publisher.

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What is foreign key in DBMS?

A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables. The concept of referential integrity is derived from foreign key theory. Foreign keys and their implementation are more complex than primary keys.

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How does a field and a record work together?

The term "fields" refers to columns, or vertical categories of data while the term "records" refers to rows, or horizontal groupings of unique field data. Examples of both database components are seen in older, printed databases and also in modern, computer-based databases.

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What is a field on a database?

Relational databases arrange data as sets of database records, also called rows. Each record consists of several fields; the fields of all records form the columns. In object-oriented programming, field (also called data member or member variable) is the data encapsulated within a class or object.

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What is a table in a database?

It consists of columns, and rows. In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect.

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What are the elements of database?

The Elements of a Database
  • The database schema.
  • Schema objects.
  • Indexes.
  • Tables.
  • Fields and columns.
  • Records and rows.
  • Keys.
  • Relationships.

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What is a tuple in database?

A table has rows and columns, where rows represents records and columns represent the attributes. Tuple − A single row of a table, which contains a single record for that relation is called a tuple. Relation instance − A finite set of tuples in the relational database system represents relation instance.

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What Are Records?

A Records are the most basic type of DNS record and are used to point a domain or subdomain to an IP address. Assigning a value to an A record is as simple as providing your DNS management panel with an IP address to where the domain or subdomain should point and a TTL.

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What is a field in algebra?

In mathematics, a field is a set on which addition, subtraction, multiplication, and division are defined and behave as the corresponding operations on rational and real numbers do. A field is thus a fundamental algebraic structure which is widely used in algebra, number theory, and many other areas of mathematics.

Haoran Moreh


What is field with example?

The set of real numbers and the set of complex numbers each with their corresponding + and * operations are examples of fields. However, some non-examples of a fields include the set of integers, polynomial rings, and matrix rings.