Which of the following can be a multi-valued attribute? – dontjudgejustfeed.com

Which of the following can be a multi-valued attribute? explain: Name and Date_of_birth cannot contain more than 1 value.

Which can be a multi-valued attribute?

An entity’s multi-valued attribute is A property that can have multiple values ​​associated with an entity’s key.. in this case the department or department name would be classified as a multi-valued attribute of the company entity (and its key, company name).

Which of the following is an example of a multi-valued attribute?

A multivalued property can have multiple values ​​at a time. For example, a surgeon’s skill is a multi-valued attribute because a surgeon can have multiple skills.Another common example is address fieldwhich can have multiple values, such as zip code, street address, state, etc.

Is age a multivalued attribute?

Example: Class, Section, Age, Name, etc. are non-key attributes. … For example, address properties are composite properties, multi-value properties, stored properties, and non-key properties.

Which of the following is a single-valued property?

explain: Registration number is a single-valued property.

Database Fundamentals (9 of 10) – Multivalued Properties

19 related questions found

What are the types of properties?

Properties can also be subdivided into another set of properties. There are five such properties: Simple, compound, single-valued, multi-valued, and derived properties.

Attribute Types in ER Models

  • Simple property: …
  • Composite properties: …
  • Single-valued properties: …
  • Multi-valued attributes: …
  • Derived properties:

What type of property is the name?

An attribute consists of an attribute identifier and a set of attribute values.Property identifiers, also known as property names, are A string that identifies the property. The property value is the content of the property and its type is not limited to strings.

What are property examples?

In general, an attribute is property or characteristic. For example, color is an attribute of hair. When using or programming a computer, a property is a variable property or characteristic of some component of a program that can be set to different values.

2 What are the attribute types?

  • Simple Attributes – Simple attributes are those attributes that cannot be further divided. …
  • Composite Properties – Composite properties are properties that are composed of many other simple properties. …
  • Single-valued properties – …
  • Multivalued Attributes -…
  • Derived Properties -…
  • Key Properties –

What is a simple property?

Simple Attributes – Simple Attributes is an atomic value and cannot be further divided. For example, a student’s phone number is a 10-digit atomic value. Compound Properties – Compound properties consist of several simple properties. For example, a student’s full name might have first_name and last_name.

Which of the following attributes can be used as a primary key?

Answer: C. For some tuples, attribute name, street, and department can be repeated.but id attribute Must be unique. So it forms a primary key.

How do you handle multivalued properties?

General rules for multivalued attributes

The only way to handle multiple values ​​of the same property is Create an entity where you can store multiple instances, one for each value of a property (eg, Figure 5-9).

Which of the following is an example of a one-to-many relationship?

In a one-to-many relationship, one record in a table can be associated with one or more records in another table. E.g, Each customer can have multiple sales orders. In this example, the primary key field Customer ID in the Customers table is intended to contain unique values.

Is it a single-valued property?

Single-valued properties are Properties with only one valueFor example, a person can only have one social security number, and manufactured parts can only have one serial number. Remember that single-valued properties are not necessarily simple properties.

What are key attributes?

A key attribute is Unique characteristics of an entity. E.g. Name and Hire Date are attributes of the entity Employee.

Can a multi-valued attribute be used as a primary key?

Multivalued attributes cannot be used as primary keys. In fact, multi-valued properties violate First Normal Form. So the good idea is to create a separate table and push the multivalued properties into it.

How many types of attribute data are there?

Attribute data can be stored as five different fields Types in a table or database: Character, Integer, Float, Date, and BLOB. Character attributes (or strings) are used for text-based values ​​(such as street names) or descriptive values ​​(such as street conditions).

What are properties in SQL?

property is Objects contained in Master Data Services entities. Attribute values ​​describe the members of the entity. Attributes can be used to describe leaf members, merge members, or collections.

What is a stored property?

The stored properties are Properties that are physically stored in the database. Assume a table named student. There are attributes such as student_id, name, roll_no, course_Id, etc. …hence these properties are called stored properties.

What are the 5 properties?

The five broad personality traits described by the theory are extraversion (also often spelled outgoing), easygoing, open, conscientious and neurotic. Personality trait theory has long sought to determine how many personality traits exist.

What are the 4 properties?

In « The Charge: Activating the 10 Human Drives That Energize You, » he writes that if you really want to succeed in your career, you must develop four qualities: Desire, Direction, Discipline and Distraction Radar.

What are the good attributes?

Positive Quality Checklist

  • Warm.
  • Friendly match.
  • Clean.
  • Honest.
  • loyalty.
  • trustworthy.
  • believable.
  • open minded.

What is a derived property, for example?

A derived property is a property whose value is dynamic and derived from another property. It is represented by a dashed ellipse in the ER diagram. E.g – age is a derived property because it changes over time and can be derived from another property (date of birth).

What type of attribute is gender?

Difference Between Binary Attributes

Suppose a medical records table (Table 2.4) contains attribute names, gender, fever, cough, test-1, test-2, test-3, and test-4, where name is the object identifier and gender is Symmetric propertiesthe remaining properties are asymmetric binary.

What type of attribute is salary?

For example, for entity employee age, salary can be simple property. 2]Composite Properties – Properties that consist of multiple independently existing components are called composite properties. 3]Single-valued and multi-valued – Attributes that have atomic value to an entity are called single-valued attributes.

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