can you any body tell me the difference between candidate
key and primary key
Answers were Sorted based on User's Feedback
Answer / vani
A candidate is a one that can identify each row in a table
uniquely.If a table has more than one candidate key , one
of them will become primary key.
The potential primary key is a candidate key.
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / arijit
A candidate key is a combination of attributes that can be
uniquely used to identify a database record without any
extraneous data. Each table may have one or more candidate
keys. One of these candidate keys is selected as the table
primary key.
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / prasad
There can be more than one index in a table.
But only one field can be a Primary Key in a table.
All other index fields in a table are called candidate keys.
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / pooja
A primary key is one that uniquely identiifes each row.
and there is only one primary key per table.
candidate key:All that fields which can be selected as
primary key are called candidate keys.
| Is This Answer Correct ? | 0 Yes | 1 No |
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