Exam Difficulty
When preparing for the C2090-320 certification exam, the real world experience is required to stand a reasonable chance of passing C2090-320 exam. IBM recommended courses does not replace the requirement for experience. So, It is very difficult for the candidate to pass the C2090-320 exam without experience.
Reference: https://www-03.ibm.com/certify/exam.html?id=C2090-320
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IBM C2090-320 Exam Syllabus Topics:
| Topic | Details | Weights |
|---|---|---|
| Data Concurrency | -Basic knowledge of transaction management (COMMIT, ROLLBACK, AUTOCOMMIT and SAVEPOINT) -Basic knowledge of locking -Given a situation, basic knowledge to identify the isolation levels that should be used | 10% |
| Security | -Basic knowledge of restricting data access (authorities, privileges, views, profiles, roles, trusted contexts) -Basic ability to write a Data Control Language (DCL) SQL statement | 8% |
| Working with Database Objects | -Basic ability to demonstrate usage of IBM-supplied and user-defined data types -Basic ability to write a DDL SQL statement -Basic ability to identify characteristics and properties of DB2 objects (Tables, Indexes, Views,...) -Basic ability to look up information in the DB2 catalog | 18% |
| Application Design | -Basic ability to create and call a stored procedure or a user defined function (understanding of passing parameters and obtaining results) -Basic knowledge of temporary tables (how they are created and when they should be used) -Basic knowledge of triggers (how they function; when they might be used) -Basic knowledge of program preparation and BIND options -Basic knowledge of referential integrity and constraints -Basic knowledge of non-relational data concepts (XML data, LOB data) -Basic knowledge of Temporal (Time Travel) Tables - System-period, Application-period, and Bi-temporal - ability to create and query | 19% |
| Planning | -Basic ability to connect to DB2 servers (demonstrate ability to use remote access) -Basic knowledge of different types of tables (Base, MQT, Auxiliary, Partitioned, Temporal - at a high level; when is it appropriate to use each type) and table spaces -Basic knowledge of subsystem parameters -Basic knowledge of DB2 architecture (address spaces, logs, IRLM) -Basic knowledge of data sharing concepts -Basic knowledge of database workloads (transactional processing vs. analytics) -Basic knowledge of encoding scheme concepts | 17% |
| Operations | -Basic knowledge of DB2 commands and DSN commands -Basic knowledge of DB2 utilities -Basic knowledge of troubleshooting (Explain, SQL Codes) | 14% |
| Working with SQL and XML | -Basic ability to write a DML SQL statement -Basic ability to access and process XML data (XQuery, Xpath) -Basic knowledge of most commonly used special registers -Basic knowledge of built-in functions | 14% |
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