Answer Posted / subramanyam
A key that uniquely identifies rows in a table. Any of the
identified candidate keys can be used as the table's
primary key. Any of the candidate keys that is not part of
the primary key is called an alternate key. One can
describe a Candidate Key as a Super Key that contains only
the minimum number of columns necessary to determine
uniqueness.
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
Explain about cumulative Sum or moving sum?
How to load the name of the current processing flat file along with the data into the target using informatica mapping?
What is difference between a gateway node and worker node?
Parameter and variable differences
What are the types of schemas we have in data warehouse and what are the difference between them?
Enlist the differences between database and data warehouse.
Explain sql transformation in script mode examples in informatica
To Provide Support For Mainframes Source Data, which Files Are Used As A Source Definitions?
What is informatica etl tool?
Explain your project of banking domian.
What is source qualifier transformation in informatica?
What does command task mean?
Explain sessions. Explain how batches are used to combine executions?
What is the difference between informatica 7.0 and 8.0?
pmscmd startworkflow -sv