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Updated: Jul 26, 2026
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The Oracle 1Z0-148 exam measures various skills, such as:
- Working with collections
- Performance improvement with caching
- PL/SQL Code analysis
- Creation and management of collections
- Large objects manipulation
- PL/SQL code designing
How to Prepare For 1z0-148 Exam
Preparation Guide for 1z0-148 Exam
Introduction
Oracle offers the most encompassing, up-to-date and sought after global training and certification program for Database professionals.
According to Oracle , Database is certainly a hot topic in the IT industry. While many technology professionals work hard on the database management; Oracle certifications provide the highest and most rigorous assurance of Database knowledge and talent out there to trade, government, and military clients throughout the globe. With a thorough understanding of Database architecture and its framework, this individual can design, develop, and manage robust, secure, and dynamic solutions in terms of Database to drive business objectives.
Certification is evidence of your skills, expertise in those areas in which you like to work. If candidate wants to work on 1z0-148 and prove his knowledge, Certification offered by Oracle . This 1z0-148 Certification helps a candidate to validates his skills in Database Technology.
In this guide, we will cover the 1z0-148 Exam, 1z0-148 Certified professional salary and all aspects of the 1z0-148 Certification.
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Oracle 1z1-148 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle Database: Advanced PL/SQL |
| Exam Number: | 1Z0-148 |
| Exam Duration: | 120 minutes |
| Available Languages: | English (US) |
| Exam Price: | USD 245 |
| Related Certifications: | Oracle Database PL/SQL Developer Certified Professional Oracle Database SQL Certified Associate Oracle Database: Program with PL/SQL (1Z0-149) |
| Exam Format: | Multiple Choice, Multiple Select |
| Real Exam Qty: | 75-85 |
| Passing Score: | 62% |
| Certificate Validity Period: | No expiration |
| Recommended Training: | Oracle Database: Advanced PL/SQL Training |
| Exam Registration: | Oracle Education Pearson VUE Registration |
| Sample Questions: | Oracle 1z1-148 Sample Questions |
| Exam Way: | Computer-based testing at Pearson VUE centers; online proctored option available |
| Pre Condition: | Recommended: Pass 1Z0-071 (Oracle Database SQL) or 1Z0-144 / 1Z0-149 (Program with PL/SQL); strong PL/SQL experience |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-148 |
Oracle 1z1-148 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: PL/SQL Performance and Result Caching | 15% | - DBMS_RESULT_CACHE configuration - Function result caching - DBMS_PARALLEL_EXECUTE - Intraunit inlining - Native vs interpreted compilation |
| Topic 2: Security and Code Robustness | 13% | - Preventing SQL injection - Definer's vs Invoker's Rights - Fine-Grained Access Control (VPD) - Using DBMS_ASSERT |
| Topic 3: Advanced Interface and External Routines | 12% | - Calling external C procedures - Using database links and dynamic SQL - Calling Java from PL/SQL |
| Topic 4: Large Objects (LOBs) Management | 12% | - SecureFile and BasicFile LOBs - Temporary LOB operations - Internal vs External LOBs - Using DBMS_LOB package |
| Topic 5: Managing PL/SQL Code and Dependencies | 12% | - Using PL/Scope and dictionary views - DBMS_METADATA package usage - Conditional compilation - Using PL/SQL compiler settings and warnings - Managing dependencies and invalidations |
| Topic 6: Profiling, Tracing and Debugging | 11% | - Profiling performance with DBMS_PROFILER - Tracing execution with DBMS_TRACE - Analyzing execution statistics |
| Topic 7: Error Handling and Dynamic SQL | 12% | - Native Dynamic SQL - DBMS_SQL package usage - Advanced exception handling |
| Topic 8: Working with Collections | 13% | - Collection methods and best practices - Bulk operations and FORALL/BULK COLLECT - Associative arrays, nested tables, VARRAYs |
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