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Oracle 1Z0-148 is a new certification exam regarding Oracle Database. It is intended for the application developers and database administrators who have fundamental knowledge of PL/SQL and SQL.
The exam is known as Oracle DB: Advanced PL/SQL and is meant to validate that the database administrators and application developers know how to use the complex features of PL/SQL in designing and adjust PL/SQL to interface databases among applications. The 1Z0-148 test is an Oracle certification exam that an individual must pass to earn the Oracle DB PL/SQL Developer Certified Professional credential.
Before the release of the 1Z0-148 exam on June, 2018, the candidates took the old version of the test. The new Oracle 1Z0-148 test is an improved version. One of its main purposes is to support a more streamlined modern exam release cycle. The exam is not limited with any particular version or edition of Oracle Database. It supports both Oracle Database 11g and Oracle Database 12c. There are 75 questions in the test. The exam time is 110 minutes. To pass the exam, one needs to score 62%.
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
Oracle 1z1-148 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Managing PL/SQL Code and Dependencies | 12% | - Using PL/SQL compiler settings and warnings - Conditional compilation - DBMS_METADATA package usage - Using PL/Scope and dictionary views - Managing dependencies and invalidations |
| Security and Code Robustness | 13% | - Using DBMS_ASSERT - Fine-Grained Access Control (VPD) - Definer's vs Invoker's Rights - Preventing SQL injection |
| Error Handling and Dynamic SQL | 12% | - Advanced exception handling - DBMS_SQL package usage - Native Dynamic SQL |
| PL/SQL Performance and Result Caching | 15% | - DBMS_PARALLEL_EXECUTE - Function result caching - Native vs interpreted compilation - Intraunit inlining - DBMS_RESULT_CACHE configuration |
| Profiling, Tracing and Debugging | 11% | - Profiling performance with DBMS_PROFILER - Tracing execution with DBMS_TRACE - Analyzing execution statistics |
| Working with Collections | 13% | - Bulk operations and FORALL/BULK COLLECT - Collection methods and best practices - Associative arrays, nested tables, VARRAYs |
| Advanced Interface and External Routines | 12% | - Calling Java from PL/SQL - Calling external C procedures - Using database links and dynamic SQL |
| Large Objects (LOBs) Management | 12% | - Using DBMS_LOB package - Internal vs External LOBs - Temporary LOB operations - SecureFile and BasicFile LOBs |
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