Answers to practice exam questions
A1: | Answer: C. The statements in the other options are true. Option C is false because DB2 records the definition of a base table in the DB2 catalog, not in the DB2 directory. |
A2: | Answer: C. Option A is not valid because it is missing a closing parenthesis after (EMPNO). Both option A and option B are not valid because VARCHAR is spelled incorrectly as VAR CHAR. Option D is not valid because the CREATE TABLE syntax includes “NAME,” which is not a valid keyword. |
A3: | Answer: B. VARCHAR is the best data type of people's last names because they are character data of varying lengths. |
A4: | Answer: B. Option B is the only INSERT statement that has a part cost ($45.99) that exceeds the product cost ($42.99). |
A5: | Answer: C. ... |
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