Question

what is the answer of the underlined Q

IT class10​

Answer 1

Answer:

Field properties Can be set in both the Raw Data and Field Data

Explanation:

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Answer 2

Answer:

In the relational model of databases, a primary key is a specific choice of a minimal set of attributes that uniquely specify a tuple in a relation. Informally, a primary key is "which attributes identify a record," and in simple cases constitute a single attribute: a unique ID.