Try Oracle : 1z1-148 valid & accurate questions and answers
Updated: Jul 30, 2026
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The Oracle 1Z0-148 exam measures various skills, such as:
- Creation and management of collections
- Working with collections
- Performance improvement with caching
- PL/SQL Code analysis
- PL/SQL code designing
- Large objects manipulation
How much 1z0-148 Exam cost
1z0-148 exam cost is $245 USD.
Oracle 1z1-148 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle Database: Advanced PL/SQL |
| Exam Number: | 1Z0-148 |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Related Certifications: | Oracle Database PL/SQL Developer Certified Professional Oracle Database SQL Certified Associate Oracle Database: Program with PL/SQL (1Z0-149) |
| Passing Score: | 62% |
| Available Languages: | English (US) |
| Real Exam Qty: | 75-85 |
| Exam Price: | USD 245 |
| Certificate Validity Period: | No expiration |
| Recommended Training: | Oracle Database: Advanced PL/SQL Training |
| Exam Registration: | Pearson VUE Registration Oracle Education |
| Sample Questions: | Oracle 1z1-148 Sample Questions |
| Exam Way: | Computer-based testing at Pearson VUE centers; online proctored option available |
| Pre Condition: | Recommended: Pass 1Z0-071 (Oracle Database SQL) or 1Z0-144 / 1Z0-149 (Program with PL/SQL); strong PL/SQL experience |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-148 |
The candidate is required to have passed any of the following Oracle certification exams in order to pass the 1Z0-148 test and receive the Oracle DB PL/SQL Developer Certified Professional certificate:
- 1Z0-144 (Oracle DB 11g)
- 1Z0-071 (Oracle Database SQL)
- 1Z0-061 (Oracle DB 12c: SQL Fundamentals). This exam is going to be retired on November 30, 2019.
Those students who wish to take the exam have to pay 245$. Registration for the test can be done online at the Pearson VUE website.
Oracle 1z1-148 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Error Handling and Dynamic SQL | 12% | - Advanced exception handling - DBMS_SQL package usage - Native Dynamic SQL |
| Advanced Interface and External Routines | 12% | - Calling Java from PL/SQL - Using database links and dynamic SQL - Calling external C procedures |
| Large Objects (LOBs) Management | 12% | - SecureFile and BasicFile LOBs - Temporary LOB operations - Internal vs External LOBs - Using DBMS_LOB package |
| PL/SQL Performance and Result Caching | 15% | - Native vs interpreted compilation - Function result caching - DBMS_RESULT_CACHE configuration - DBMS_PARALLEL_EXECUTE - Intraunit inlining |
| Profiling, Tracing and Debugging | 11% | - Analyzing execution statistics - Profiling performance with DBMS_PROFILER - Tracing execution with DBMS_TRACE |
| Managing PL/SQL Code and Dependencies | 12% | - Conditional compilation - Managing dependencies and invalidations - Using PL/SQL compiler settings and warnings - Using PL/Scope and dictionary views - DBMS_METADATA package usage |
| Security and Code Robustness | 13% | - Definer's vs Invoker's Rights - Using DBMS_ASSERT - Fine-Grained Access Control (VPD) - Preventing SQL injection |
| Working with Collections | 13% | - Associative arrays, nested tables, VARRAYs - Collection methods and best practices - Bulk operations and FORALL/BULK COLLECT |
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