how many types of keys are there i.e primary key and foreign
key etc..?
Answers were Sorted based on User's Feedback
Answer / suja
Primary key,Secondary key,Candidate Key or Alternate
key,Composite key or concatenate key,Sort Or control
key,Foreign Key.
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / santosh
Natural Key
Surrogate Key
Alternate Key
Composite Key
Primary Key
Foreign Key
Is This Answer Correct ? | 1 Yes | 0 No |
what is the difference between a data item and a query item?
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