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

Updated: Sep 26, 2026
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About Oracle 1z1-148 Exam

The Oracle 1Z0-148 exam measures various skills, such as:

  • PL/SQL Code analysis
  • PL/SQL code designing
  • Performance improvement with caching
  • Creation and management of collections
  • Working with collections
  • Large objects manipulation

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%.

Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-148

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Oracle 1z1-148 Exam Syllabus Topics:

SectionObjectives
Topic 1: Database Interaction and SQL Integration- Dynamic SQL
  • 1. Dynamic query construction
    • 2. EXECUTE IMMEDIATE usage
      - SQL and PL/SQL optimization
      • 1. Performance tuning techniques
        • 2. Bulk processing with BULK COLLECT and FORALL
          Topic 2: Advanced Database Features- Large Objects and Advanced Data Handling
          • 1. BLOB, CLOB handling
            • 2. Collections and object types
              - Triggers and Events
              • 1. INSTEAD OF triggers
                • 2. Row-level and statement-level triggers
                  Topic 3: PL/SQL Fundamentals and Advanced Concepts- Packages and Modularization
                  • 1. Package specification and body design
                    • 2. Overloading and encapsulation
                      - Advanced PL/SQL Programming
                      • 1. Advanced data types (records, collections)
                        • 2. Control structures and exception handling

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