Question

What is a challenge when using SQL to represent validity of facts with attributes Start and End?

a.

SQL lacks built-in data types for times and dates

b.

SQL queries become too simple

c.

Complex SQL queries are required for certain operations

d.

SQL cannot handle geographical data

Posted under Big Data Computing

Answer: (c).Complex SQL queries are required for certain operations Explanation:When representing validity of facts with attributes Start and End in SQL, complex SQL queries are required for certain operations, such as maximizing validity intervals.

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