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Updated: Aug 20, 2026
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Oracle Database: Advanced PL/SQL (1z1-148) is an exam designed to test a candidate's knowledge and skills in the advanced concepts of PL/SQL programming language. Oracle Database: Advanced PL/SQL certification is intended for professionals who have already earned the Oracle Certified Associate (OCA) and Oracle Certified Professional (OCP) certifications and want to further enhance their expertise in PL/SQL development.
Oracle 1z1-148 exam is a certification test designed for Database Administrators and PL/SQL Developers who want to enhance their skills in advanced PL/SQL development. It is a skills-based exam that requires candidates to demonstrate their abilities in designing, implementing, and optimizing complex PL/SQL applications that meet different business requirements and standards. 1z1-148 exam validates your expertise in using advanced techniques such as bulk binding, analytical functions, and advanced error handling, among others.
Oracle 1z1-148 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle Database: Advanced PL/SQL |
| Exam Number: | 1Z0-148 |
| Real Exam Qty: | 70–85 |
| Certificate Validity Period: | No expiry (certification does not expire) |
| Related Certifications: | Oracle Database Program with PL/SQL (1Z0-149) Oracle Database SQL (1Z0-071) |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple choice |
| Passing Score: | 60% (approx.) |
| Available Languages: | English, Japanese |
| Exam Price: | USD $245 (approx.) |
| Sample Questions: | Oracle 1z1-148 Sample Questions |
| Exam Way: | Onsite at test center or online proctored delivery |
| Pre Condition: | Recommended: Experience with PL/SQL programming and Oracle Database, and passing Oracle Database SQL (1Z0-071) or equivalent foundation knowledge |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-pl-sql-developer-certified-professional/trackp_OCPPLSQL19C |
Oracle 1z1-148 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Analyzing and Profiling PL/SQL Code | - Trace and profile code using supplied packages |
| Working with Collections | - Create and manage nested tables, varrays, associative arrays |
| Manipulating Large Objects (LOBs) | - Create and maintain LOB data types and use DBMS_LOB |
| Performance and Caching | - Optimize PL/SQL performance, result caching and parallel execution |
| Security and Code Robustness | - Implement error handling and mitigate SQL injection |
| Designing PL/SQL Code | - Guidelines for cursor design and use of cursor variables - Use of DBMS_SQL functions and advanced constructs |
| Advanced Interface Methods | - Execute external C programs and Java programs from PL/SQL |
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