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1z0-148 Certification Path
The 1z0-148 Certification is expert level certification organized by Oracle mainly focussing to the area of database development and administration. There is prerequisite for this exam ,candidates must PASS one of the following exams :
- Oracle Database SQL | 1Z0-071
- Oracle Database 11g: Program with PL/SQL | 1Z0-144
Those professional who cleared any of the above mentioned exam and having keen to work in the stream of oracle database and want to learn about how to implement oracle 12C Database in the enterprise environment, then 1z0-148 is the right option for them. For more information related to Oracle-certification-track
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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
The Oracle 1Z0-148 exam measures various skills, such as:
- Performance improvement with caching
- Large objects manipulation
- PL/SQL code designing
- Working with collections
- PL/SQL Code analysis
- Creation and management of collections
Oracle 1z1-148 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Large Objects (LOBs) Management | 12% | - Using DBMS_LOB package - SecureFile and BasicFile LOBs - Temporary LOB operations - Internal vs External LOBs |
| Topic 2: PL/SQL Performance and Result Caching | 15% | - DBMS_PARALLEL_EXECUTE - Native vs interpreted compilation - Intraunit inlining - Function result caching - DBMS_RESULT_CACHE configuration |
| Topic 3: Profiling, Tracing and Debugging | 11% | - Tracing execution with DBMS_TRACE - Analyzing execution statistics - Profiling performance with DBMS_PROFILER |
| Topic 4: Managing PL/SQL Code and Dependencies | 12% | - Conditional compilation - DBMS_METADATA package usage - Using PL/Scope and dictionary views - Using PL/SQL compiler settings and warnings - Managing dependencies and invalidations |
| Topic 5: Security and Code Robustness | 13% | - Definer's vs Invoker's Rights - Preventing SQL injection - Using DBMS_ASSERT - Fine-Grained Access Control (VPD) |
| Topic 6: Error Handling and Dynamic SQL | 12% | - Advanced exception handling - Native Dynamic SQL - DBMS_SQL package usage |
| Topic 7: Working with Collections | 13% | - Collection methods and best practices - Associative arrays, nested tables, VARRAYs - Bulk operations and FORALL/BULK COLLECT |
| Topic 8: Advanced Interface and External Routines | 12% | - Using database links and dynamic SQL - Calling Java from PL/SQL - Calling external C procedures |
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