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When a user sees a field in a database with a value prior to changing the value the user sees a?
Wiki User
∙ 11y ago
default value
Wiki User
∙ 11y ago
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What is the value that the database 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.
Why choosing the correct field in database is important?
Choosing the correct field in database is very important. It is because the correct field can give you the correct value.
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 is a field that has a unique value for each record in a database?
Primary key
What method gets a value from a class s field but does not change it?
An accessor method can be used to get a value from a class without changing the value.
What is the use of null in database?
Sometimes, a particular field in a database row has a value that is either unknown or undefined. An example might be the termination date of an employee who is still employed by the company. A date field would not accept any value that was not a valid date but no date has been determined for the field as yet. A null would indicate that.
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.
What is a common field in database?
A common field in a database is the "primary key". It is a unique identifier for each record in a database table and is used to uniquely identify each row. It is typically a numerical value or a combination of values that ensures each record is distinct from all others.
In excel Goal Seek which and field represents the element of the formula that is a mystery?
to value
In a database what is the smallest unit of data a user can accesses?
The smallest unit of data a user can access in a database is typically a single cell or field within a table or record. This could be a specific piece of information, such as a name, date, or value.
What is a field that contains a unique value?
It can be referred to as a UNIQUE column. Such columns can be a:Primary KeyUnique Key orCandidate Keyin a database table
What does data field mean?
A data field is a component of a database record or table that stores a specific piece of information, such as a name, date, or numerical value. It represents a single characteristic of the data being stored and is often used to organize and categorize information within a database.
