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What two courses of action are available to a designer encountering a multivalued attribute?
When a designer encounters a multivalued attribute, they can either create a separate table to represent the multivalued data, establishing a one-to-many relationship with the original entity, or they can choose to combine the values into a single string or list within the original attribute, though this may complicate data retrieval and integrity. The first option is generally preferred as it maintains normalization and improves data management.
What is the difference between single-valued attributes and simple attributes?
single valued attribute are one character in a record
What is an arcsine?
An arcsine is any of the single- or multivalued functions which are inverses of the sine function.
What is Difference between single value and simple value attribute?
A single value attribute refers to an attribute in a database or data model that can hold only one value for a given entity or record, such as a person's birth date. In contrast, a simple value attribute is a specific type of single value attribute that cannot be further divided into sub-parts; for instance, a person's age is a simple value because it represents a singular piece of information without components. Essentially, while all simple value attributes are single value attributes, not all single value attributes are necessarily simple, as some may contain composite values.
What is an arctangent?
An arctangent is any of several single-valued or multivalued functions which are inverses of the tangent function.
What is an arccosine?
An arccosine is any of several single-valued or multivalued functions which are inverses of the cosine function.
What is the difference between single plate clutch and multi plate clutch?
"What is the difference between single plate clutch and multi plate clutch?"
What is the difference between a single board computer and a microcontroller?
The difference between a single board computer and microcontroller is that a single board lacks a general purpose interface and the mass storage devices.
What is the difference between the contour and magnitude of single nerve fiber and nerve trunk?
What is the difference between the contour and magnitude of single nerve fiber and nerve trunk?
Is there a difference between three phase and single phase electrical supplies?
Yes, there a difference between three phase and single phase electrical supply services.
What is single-valued attribute?
Single-valued attributes can have only one value
Difference between single-point cutting tool use in lathe and shaping machine?
explain the difference between single point & multi point cutting tool
