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In databases what is the name of a field that has been obtained from values in another field?
Wiki User
∙ 14y ago
derived or calculated field
Wiki User
∙ 14y ago
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What is the values that the databases uses for the field unless the user enters another value?
The value that a database uses for a field is set to a default value, usually by the database designer. The value can be whatever the company wants it to be, as long as it is valid for the datatype of the field. The default value changes if and when a user or a programmer updates the field with a different value.
What does the term database field mean?
For databases, a field is another name for a column in the table. Each record (or row) represents an incidence of one or more fields, each with its own data.
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 is a field whose values are required to match the primary key in another table?
A Foreign Key.
What field is used to retrieve values from another table or a value list in access?
See discussion, please.
What is the term 'field' mean in databases?
"Field" equates to a column of a database table, the two terms are interchangeable.
What does the term fields mean?
For databases, a field is another name for a column in the table. Each record (or row) represents an incidence of one or more fields, each with its own data.
How can the maximum yield be obtained from a peanut field be answered scientifically?
You could use statistics to get the average crop per plant and then estimate the number of plants per unit area (or alternately count the plants). Then when you have the area of the field you just multiply the values.
What is the difference between fields records files and databases?
A database is a whole load of data set onto a database, it is possible to have more than one database. A field is a record part and the record is the total part. A field is like: first name is a field, last name is another field., Mr/Mrs is another field, the whole records is all of the fields relating to a person. Like the address, the town, the postcode, etc.
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 determines what field values are allowed and what other properties the field will have?
Field values and properties are determined by the data type of the field. For example, a text field will allow any string value while a number field will only allow numerical values. Other properties of a field, such as length or required status, can be set by the user or developer configuring the field in a database or application.
What field allows the user to select from a list of values?
Lookup field
