Question

√4 =? i)2 ii)-2 iii)+-2 iv)none​

Answer 1

Answer:

sorry don't know

Referential Integrity refers to the ability of the database to keep related data from being corrupted. The data references between tables must remain intact. ... Referential Integrity means that two specific database rules must exist between tables: 1. Do not delete data required by another table.

Answer 2

Answer:

2

Step-by-step explanation:

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