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1An attribute which can be used to uniquely identify the individual instances of the entity is?
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∙ 14y ago
Primery Key.
Wiki User
∙ 14y ago
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What is a PID and how is it useful when troubleshooting a system?
PID stands for Process Identifier, a uniquely assigned integer that identifies a process in the operating system. In any system, applications use PID to identify the process uniquely. Also, it is used in diagnosing the problems with the process in Multi-Tasking systems.
Primary and secondary key in DBMS?
key is nothing but a attribute and attribute is the aspect of a member in an entity entity is represented by set of attributes. primary key is the one which is selected by the database designer to identify a entity in a entity set super key is one or more attributes which is used to identify the entity in an entity set uniquely candidate key minimal number of super keys... in some context super key and secondary key are equal. foreign key is the relational constraint between tables or entities A secondary key is made on a field that you would like to be indexed for faster searches! For any Further detail,you visit this website:http://www.iyogibusiness.com
What is true regarding network layer addressing?
The three correct options are: 3. Hierarchical Explanation: By design, layer three addressing is hierarchical, as you can group hosts in different networks. 4. Uniquely identifies each host Explanation: Each host has a unique address inside its network. 6. Contains a network portion Explanation: For example, in an IP (v4) address a portion of the most significant bits identify the network the host belongs to.1.It supports data communications between networks 2.It prevents broadcasts 3.It uniquely identifies each host
What is mac address format?
Media access control (MAC) addresses all network interface manufacturers to uniquely identify each network interface card (NIC) they produce. Currently there are three types of MAC address, MAC-48, EUI-48 and EUI-64. EUI is an abbreviation for extended unique identifier. MAC-48 and EUI-48 addresses are 48 bits in length while EUI-64 addresses are 64 bits in length.
What is meant by creativity and innovation?
Creativity and innovation is the act of thinking differently and uniquely. People who are creative and innovative are able to think for themselves and think in a way that is considered to be 'out of the box'.
What is key attribute and non key attributes?
A key attribute is an attribute that uniquely identifies a record in a database table. Non-key attributes are attributes that are not used to uniquely identify records, but provide additional information about the data.
What are key attribute and non key attribute?
Attributes can be classified as identifiers or descriptors. Identifiers, more commonly called keys or key attributes uniquely identify an instance of an entity. If such an attribute doesn't exist naturally, a new attribute is defined for that purpose, for example an ID number or code. A descriptor describes a non-unique characteristic of an entity instance. An entity usually has an attribute whose values are distinct for each individual entity. This attribute uniquely identifies the individual entity. Such an attribute is called a key attribute. For example, in the Employee entity type, EmpNo is the key attribute since no two employees can have same employee number. Similarly, for Product entity type, ProdId is the key attribute. There may be a case when one single attribute is not sufficient to identify entities. Then a combination of attributes can solve this purpose. We can form a group of more than one attribute and use this combination as a key attribute. That is known as a composite key attribute. When identifying attributes of entities, identifying key attribute is very important.
What is functional dependency in DBMS?
A key is a set of attributes that uniquely identifies an entire tuple, a function dependency allow us to express constraints that uniquely identify the values of certain attribute.
What is an id attribute?
An id attribute is a unique identifier assigned to a specific HTML element on a webpage. It is used to uniquely identify the element, making it easier to target and manipulate using CSS or JavaScript.
What are the dimensions of a open box if the surface area is 1024?
There is not enough information to uniquely identify the dimensions.There is not enough information to uniquely identify the dimensions.There is not enough information to uniquely identify the dimensions.There is not enough information to uniquely identify the dimensions.
What is a simple key in database?
A simple key consists of a single attribute to uniquely identify an entity occurrence, for example, a student number, which uniquely identifies a particular student. No two students would have the same student number.
primary key?
attribute of an entity which uniquely identifies a specific instance of the data
What is a field that is chosen to uniquely identify a record called?
A field that is chosen to uniquely identify a record is called a primary key. This key helps uniquely identify each record in a database table and ensure data integrity.
What do you use names for?
To uniquely identify something or someone.
What is the difference between primary key and candidate key?
Candidate Key is used to uniquely identify the records of a table. An attribute becomes a Primary Key, if all the other candidate keys lose race for being qualified as Primary Key.
Can a primary key field uniquely identify each record?
Yes it can do that.
What is used to uniquely identify a record in a database program?
index field
