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The candidate is required to have passed any of the following Oracle certification exams in order to pass the 1Z0-148 test and receive the Oracle DB PL/SQL Developer Certified Professional certificate:
- 1Z0-071 (Oracle Database SQL)
- 1Z0-061 (Oracle DB 12c: SQL Fundamentals). This exam is going to be retired on November 30, 2019.
- 1Z0-144 (Oracle DB 11g)
Those students who wish to take the exam have to pay 245$. Registration for the test can be done online at the Pearson VUE website.
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- Over 75% of certification holders surveyed said they have experienced greater demand for their skills in the job market after getting certified from Oracle.
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Who should take the 1z0-148 exam
The 1z0-148 Exam is ideal for those technical professional who want to accelerate their database career, who seeks to have Expert level knowledge in database administration/development covering in depth understanding of PL/SQL. Those taking the course will develop an understanding of PL/SQL Oracle Database and practices in the context of the Oracle 12C Database. It is good for these candidates
- Database Developer
- Database administrator
- Career changers to Oracle Database administration
Oracle 1z1-148 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Profiling, Tracing and Debugging | 11% | - Tracing execution with DBMS_TRACE - Profiling performance with DBMS_PROFILER - Analyzing execution statistics |
| Topic 2: Working with Collections | 13% | - Associative arrays, nested tables, VARRAYs - Bulk operations and FORALL/BULK COLLECT - Collection methods and best practices |
| Topic 3: Managing PL/SQL Code and Dependencies | 12% | - Managing dependencies and invalidations - DBMS_METADATA package usage - Using PL/SQL compiler settings and warnings - Using PL/Scope and dictionary views - Conditional compilation |
| Topic 4: PL/SQL Performance and Result Caching | 15% | - Function result caching - DBMS_PARALLEL_EXECUTE - DBMS_RESULT_CACHE configuration - Native vs interpreted compilation - Intraunit inlining |
| Topic 5: Large Objects (LOBs) Management | 12% | - SecureFile and BasicFile LOBs - Using DBMS_LOB package - Internal vs External LOBs - Temporary LOB operations |
| Topic 6: Advanced Interface and External Routines | 12% | - Using database links and dynamic SQL - Calling Java from PL/SQL - Calling external C procedures |
| Topic 7: Security and Code Robustness | 13% | - Using DBMS_ASSERT - Definer's vs Invoker's Rights - Fine-Grained Access Control (VPD) - Preventing SQL injection |
| Topic 8: Error Handling and Dynamic SQL | 12% | - Native Dynamic SQL - Advanced exception handling - DBMS_SQL package usage |
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