The 1z1-148 real exam dumps: Oracle Database: Advanced PL/SQL can provide the high speed and high efficient way for you to get the Oracle Oracle Database 12c certification. 1z1-148 free practice exam demo are the first step you can take.

Oracle Database: Advanced PL/SQL : 1z1-148 Exam

1z1-148 Exam Questions
  • Exam Code: 1z1-148
  • Exam Name: Oracle Database: Advanced PL/SQL
  • Updated: Aug 18, 2026
  • Q & A: 108 Questions and Answers
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Oracle 1z1-148 exam demo

Oracle 1z1-148 (Oracle Database: Advanced PL/SQL) Exam is a challenging certification exam that tests an individual's knowledge and skills in advanced PL/SQL programming. 1z1-148 exam covers a wide range of topics and is designed for experienced developers who are looking to enhance their skills and expand their knowledge in this area. Passing the exam and earning the certification can help individuals advance their careers and demonstrate their expertise to potential employers.

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%.

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Oracle 1z1-148 is an advanced level certification exam for database professionals who want to validate their skills in advanced PL/SQL programming. 1z1-148 exam is designed to test the candidate's knowledge and expertise in writing complex PL/SQL code, designing advanced database structures, and optimizing database performance.

Reference: 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 consists of 75 multiple-choice and scenario-based questions that need to be completed within 120 minutes. To pass the exam, candidates need to score a minimum of 63%, which means they need to correctly answer at least 47 questions.

Oracle 1z1-148 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Error Handling and Dynamic SQL12%- Advanced exception handling
- Native Dynamic SQL
- DBMS_SQL package usage
Topic 2: PL/SQL Performance and Result Caching15%- DBMS_PARALLEL_EXECUTE
- DBMS_RESULT_CACHE configuration
- Native vs interpreted compilation
- Intraunit inlining
- Function result caching
Topic 3: Large Objects (LOBs) Management12%- SecureFile and BasicFile LOBs
- Using DBMS_LOB package
- Temporary LOB operations
- Internal vs External LOBs
Topic 4: Working with Collections13%- Associative arrays, nested tables, VARRAYs
- Bulk operations and FORALL/BULK COLLECT
- Collection methods and best practices
Topic 5: Security and Code Robustness13%- Using DBMS_ASSERT
- Preventing SQL injection
- Fine-Grained Access Control (VPD)
- Definer's vs Invoker's Rights
Topic 6: Advanced Interface and External Routines12%- Using database links and dynamic SQL
- Calling external C procedures
- Calling Java from PL/SQL
Topic 7: Managing PL/SQL Code and Dependencies12%- Managing dependencies and invalidations
- DBMS_METADATA package usage
- Using PL/SQL compiler settings and warnings
- Conditional compilation
- Using PL/Scope and dictionary views
Topic 8: Profiling, Tracing and Debugging11%- Analyzing execution statistics
- Profiling performance with DBMS_PROFILER
- Tracing execution with DBMS_TRACE

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