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What is a field whose values are required to match the primary key in another table?
Wiki User
∙ 11y ago
A Foreign Key.
Wiki User
∙ 11y ago
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What type of field cannot hold duplicate value in ms access?
A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.A primary key field is always unique. Any other field that you have can be set to not allow duplicate values if necessary too.
What are field can be used as primary key?
A field or set a of fields Êin a database tableÊwith unique values Êcan be used as a primary key.ÊPrimary key field cannot have a null value.
Is the last name a primary key?
In some cases, a last name can be used as a primary key if it uniquely identifies each record in a dataset. However, it is generally not recommended to use a last name as a primary key due to the potential for duplication or changes over time. It is often better to use a combination of attributes to create a more robust primary key.
In databases what is the name of a field that has been obtained from values in another field?
derived or calculated field
Does primary key allows null value?
No. A primary key requires a value because it is the field that all other values in the row depend on.
What is another name for a primary key?
Also called a Key field.
How do you define a primary key in MS Access?
A primary key is a field or set of fields with values that are unique throughout a table. Values of the key can be used to refer to entire records, because each record has a different value for the key.
Can the FirstName column be a primary key?
Yes, the FirstName column can be a primary key as long as it satisfies the requirements of a primary key, which include being unique and not null. However, it is generally not recommended to use a person's first name as a primary key as it may not be unique and could lead to data integrity issues.
What does the term primary key mean?
The primary key refers to the field in a database that would contain only unique values. For every row in the table, the value in this field would definitely be unique. for example in an employee table, the employee number field would be the primary key. no two employees would have the same employee number.
What is Lookup Wizard?
The lookup wizard allows you to create a field that sources its data from a list of values of a field in another table or query.
What parts of the DD form 1380 contain the primary information required for field medical cards?
line number1,3,4,7,9,11
What field is used to retrieve values from another table or a value list in access?
See discussion, please.
