IBM 000-556 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 000-556
Exam Name/Title: Informix 11.50 Application Developer
Certification Provider: IBM
Corresponding Certification: On Demand Business

Exam Questions: 115
Updated On: May 28, 2026

Question #22

How can you prevent concurrency problems when other users are modifying a nonlogging or raw table?

A. Lock the table in exclusive mode for the whole transaction OR use repeatable read isolation level for the whole transaction.

B. Lock the table in shared mode for the whole transaction OR use repeatable read isolation level for the whole transaction.

C. Lock the table in shared mode for the whole transaction OR use committed read isolation level for the whole transaction.

D. Lock the table in exclusive mode for the whole transaction OR use committed read isolation level for the whole transaction.

Discussion 0

Correct Answer: A Vote an answer

Question #23

What is the correct sequence for retrieving multiple rows using a cursor for a dynamic SQL query?

A. OPEN, DECLARE, FETCH, CLOSE, FREE

B. DECLARE, FETCH, OPEN, CLOSE, FREE

C. DECLARE, OPEN, FETCH, CLOSE, FREE

D. DECLARE, OPEN, FETCH, FREE, CLOSE

Discussion 0

Correct Answer: C Vote an answer

Question #24

Which of the following data types can be used for values in a sequence?

A. CLOB and BLOB

B. SMALLINT, INTEGER or DECIMAL

C. SERIAL8

D. INTERVAL

Discussion 0

Correct Answer: C Vote an answer

Question #25

Which of the following is a valid declaration of a cursor?

A. DECLARE my_cur CURSOR FOR SELECT * FROM orders, customer FOR UPDATE;

B. DECLARE my_cur CURSOR FOR SELECT * FROM orders GROUP BY 1 FOR UPDATE;

C. DECLARE my_cur CURSOR FOR SELECT * FROM orders WHERE order_date <= today - 30 FOR UPDATE;

D. DECLARE my_cur CURSOR FOR SELECT * FROM orders ORDER BY 1 FOR UPDATE;

Discussion 0

Correct Answer: C Vote an answer

Question #26

What is an Informix database trigger?

A. An automatic event created by the database scheduling system to notify the DBA about a problem.

B. An automatically executed set of SQL statements when a specific activation event occurs.

C. A way of rejecting unwanted database connections.

D. A security event used by Informix auditing to warn the DBA of unwanted actions.

Discussion 0

Correct Answer: B Vote an answer

Question #27

What does the UNION operator do?

A. Combine two result sets, eliminating duplicates.

B. The same as the UNION ALL operator.

C. Combine two columns into one, eliminating duplicates.

D. Combine two regular tables into one.

Discussion 0

Correct Answer: A Vote an answer

Question #28

Given the following SQL statements:

What is the result of the following query?
SELECT user, current, today FROM mytab;

A. The query will fail because user, current and today are built-in functions.

B. The current user name, the current time and the current date.

C. The information would be the same as DBINFO(utc_user, utc_current, utc_today).

D. josh, 11:30:30, 1/22/2008

Discussion 0

Correct Answer: B Vote an answer

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