Exam Name: Informix 11.50 Application Developer
Certification Provider: IBM
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Updated: Sep 10, 2026
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IBM 000-556 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM Informix 11.50 Application Developer |
| Exam Number: | A2090-556 |
| Available Languages: | English |
| Exam Format: | Scenario-based questions, Multiple choice |
| Related Certifications: | IBM Certified Database Administrator - Informix IBM Certified System Administrator - Informix |
| Recommended Training: | IBM Training - Informix Courses |
| Exam Registration: | Pearson VUE IBM Exams IBM Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or test center (IBM authorized testing provider) |
| Pre Condition: | Basic knowledge of relational databases and SQL is recommended; experience with Informix 11.50 application development is strongly advised. |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
IBM 000-556 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| SQL and Database Programming | - Stored procedures and routines - Triggers and constraints - SQL query development and optimization |
| Application Development with Informix | - Data manipulation and transaction handling - Embedded SQL programming - 4GL and SPL usage |
| Performance and Tuning | - Index design and usage - Query optimization techniques - Monitoring and diagnostics |
| Security and Administration Basics | - User roles and permissions - Authentication and authorization |
| Informix Architecture and Components | - Instance structure and database server architecture - Memory and storage structures - Client-server communication |
IBM 000-556 Exam Questions Answered
The 000-556 exam leads to the IBM Certified Application Developer - Informix 11.50 certification from IBM. It is positioned at the Professional level. The exam validates the knowledge and skills expected of candidates preparing for IBM Informix 11.50 Application Developer.
Related certifications include:
- IBM Certified Database Administrator - Informix
- IBM Certified System Administrator - Informix
Basic knowledge of relational databases and SQL is recommended; experience with Informix 11.50 application development is strongly advised.
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Online proctored or test center (IBM authorized testing provider).
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 115 practice questions for 000-556.
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The current 000-556 outline is organized into 5 top-level domains. The first listed areas include:
- SQL and Database Programming
- Security and Administration Basics
- Application Development with Informix
Review the Exam Topics section above for the complete outline and any nested subtopics.
IBM Informix 11.50 Application Developer Sample Questions:
Question 1
Which URL syntax is NOT used for DRDA communications?
A. jdbc:db2j:net
B. jdbc:informix
C. jdbc:db2
D. jdbc:ids
Question 2
Which IBM Informix .NET Provider statement is NOT true?
A. It uses the DRDA protocol to communicate with Informix.
B. It uses the SQLI protocol to communicate with Informix.
C. It works only with Informix.
D. Its Connection Lifetime attribute specifies how long a connection can remain open.
Question 3
Which of the following data types can be used for values in a sequence?
A. SMALLINT, INTEGER or DECIMAL
B. SERIAL8
C. CLOB and BLOB
D. INTERVAL
Question 4
A user has opened two sessions, SESSION_1 and SESSION_2, connecting to the same database containing a table named customer.
The following query is executed first from SESSION_1 and then from SESSION_2 (without closing SESSION_1):
SELECT * FROM customer INTO TEMP cust_temp
What is the outcome in SESSION_2?
A. Error indicating Temp table (cust_temp) already exists.
B. All rows from customer table will be retrieved into cust_temp table.
C. SELECT query will wait till SESSION_1 has ended.
D. A locking error.
Question 5
What statement describes the logging restriction that applies to distributed queries?
A. Participating databases must have unbuffered logging.
B. Participating databases must have buffered logging.
C. Participating database must have identical transaction logging types.
D. Participating databases must be ANSI-compliant.
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: B | Question 4 Answer: B | Question 5 Answer: C |
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