Computer Science, asked by sourabhsolanki2019, 11 months ago

what is data base service? Explain primary key and foreing key

Answers

Answered by Agashi22

2

Answer:

Database is a collection of data. Database servers are dedicated computers that hold the actual database and run only the DBMS and related software.

Primary key is a unique key that defines a row in a table.

Foreign key identifies a column or a set of columns in one table that refers to column or set of column in another table.

Explanation:

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