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Any group of keys or columns (may be one or more than one) which can be used to uniquely refer to any row is together called as candidate key.
A primary key only one column name which can be used to uniquely refer any row.
there is no much difference b/w these two except the number of columns in consideration.
What else can I help you with?
Candidate key and primary key differnece?
All Primary keys are definitely Candidate Keys. A Candidate key is one which can be used as a Primary key that is not null and unique. That is one of the candidate keys can be chosen as a primary key.A Candidate key is a Unique Key and it can be used to find out any particular Tuple (row) in a table. The following are the differences between A Candidate key and a Primary Key: 1) A Unique key can be null but not a Primary key 2) On a table we can have only 1 primary key but 'N' number of unique keys.
What is the difference between primary colors and additive colors?
#1 primary colors make additive colors
What is the difference between a key and a superkey in DBMS?
I am supposing that key means primary key.Superkey is any subset of attributes that uniquely identifies the tuples of a relation. This subset need not be minimal, that is, one can remove some attributes from it and it is still uniquely identifying. If all redundant attributes are removed you get a subset what is called primary key.
What is special about primary colors?
Primary colours cannot be made up of other colours. For example, red and yellow (primary colours) make orange which is a secondary colour. But no amount of other colours can make a primary colour (red, yellow and blue)x
What is the difference between the main property?
The main property typically refers to the primary characteristic or feature that distinguishes an object or concept from others. For example, in a mathematical context, the main property of a triangle is that it has three sides. In contrast, secondary properties may include color, size, or texture, which do not define the fundamental nature of the object. Understanding the main property helps in categorizing and analyzing various entities effectively.
What is difference between primary candidate and candidate key?
don't ask me I'm trying to find out to but i think it has something to do with the government
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.
Explain the difference between primary and secondary market research data give an example of each and explain how each helps define a business customer?
difference between primary and secondary market
What is the difference between a caucus and a primary in the context of elections?
In the context of elections, a caucus is a meeting where members of a political party discuss and choose their preferred candidate, while a primary is a statewide voting process where registered voters cast their ballots to select the party's candidate.
What is difference between closed and open primary?
In an open primary anyone can vote for any candidate in either party regardless of whether they are registered democrat or republican. In a closed primary you can only vote for someone in your registered party.
What is the difference between grit chamber and primary settling tank?
Are you sure that's difference and not just a half-witted example of sameness?
What is the difference between primary and secondary vitamin deficiency?
what is the difference between primary and seconday vitamin deficiency
What is the difference between modal and primary auxiliary?
difference between primary auxiliary verbs and modal verbs
Candidate key and primary key differnece?
All Primary keys are definitely Candidate Keys. A Candidate key is one which can be used as a Primary key that is not null and unique. That is one of the candidate keys can be chosen as a primary key.A Candidate key is a Unique Key and it can be used to find out any particular Tuple (row) in a table. The following are the differences between A Candidate key and a Primary Key: 1) A Unique key can be null but not a Primary key 2) On a table we can have only 1 primary key but 'N' number of unique keys.
Identify the difference between primary sector and secondary?
Identify the difference between primary sector and secondary sector
What is the difference between primary elections and general elections?
Political parties use primary elections to determine who they will nominate to represent the parties in the general elections. In the general elections, voters choose from among candidates of various political parties their preferences to fill government offices.
What is the difference between morpheme and word?
The primary difference between a word and a morpheme is that a word is freestanding, where a morpheme may or may not be. For example, the morpheme "star" can stand by itself, but the morpheme "-s" cannot.
