Practice exam questions

The following practice exam questions test your knowledge of material that this chapter covers.

1:Which statement about domains is false?

  1. By defining a domain for a particular attribute, you apply business rules to ensure that the data will make sense.

  2. A domain describes the conditions that an attribute value must meet to be a valid value.

  3. A domain can identify a range of valid values.

  4. None of the above; all statements are true.

2:Which numeric data type is defined correctly?

  1. REAL data consists of single-precision floating-point numbers that are greater than 21.

  2. DOUBLE data is two-digit data in double-precision floating point numeric format.

  3. SMALLINT data is an integer less than 22.

  4. INTEGER data is for large integers.

3:Which ...

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