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

1z1-148 actual test
  • Exam Code: 1z1-148
  • Exam Name: Oracle Database: Advanced PL/SQL
  • Updated: Sep 14, 2026
  • Q & A: 108 Questions and Answers
  • PDF Demo
  • PC Test Engine
  • Online Test Engine
  • Total Price: $59.99  

About Oracle 1z1-148 Exam

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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%.

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Oracle 1z1-148 Exam Syllabus Topics:

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

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