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Step into your Oracle Database: Advanced PL/SQL exam with absolute certainty. Actual4Labs equips you with 108 relevant 1z1-148 practice questions, backed by a robust 2026 update policy to reflect any vendor changes.
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database: Advanced PL/SQL |
| Exam Number: | 1Z0-148 |
| Exam Price: | USD $245 (approx.) |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 70–85 |
| Exam Format: | Multiple choice |
| Certificate Validity Period: | No expiry (certification does not expire) |
| Related Certifications: | Oracle Database Program with PL/SQL (1Z0-149) Oracle Database SQL (1Z0-071) |
| Passing Score: | 60% (approx.) |
| Available Languages: | Japanese, English |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
| Section | Objectives |
|---|---|
| Analyzing and Profiling PL/SQL Code | - Trace and profile code using supplied packages |
| Advanced Interface Methods | - Execute external C programs and Java programs from PL/SQL |
| Manipulating Large Objects (LOBs) | - Create and maintain LOB data types and use DBMS_LOB |
| Security and Code Robustness | - Implement error handling and mitigate SQL injection |
| Performance and Caching | - Optimize PL/SQL performance, result caching and parallel execution |
| Working with Collections | - Create and manage nested tables, varrays, associative arrays |
| Designing PL/SQL Code | - Guidelines for cursor design and use of cursor variables - Use of DBMS_SQL functions and advanced constructs |
The 1z1-148 exam is a core requirement for the Oracle Database 12c certification at the Professional (OCP PL/SQL Developer Certified Professional) level. Earning this validates your skills for credentials like Oracle Database Program with PL/SQL (1Z0-149), Oracle Database SQL (1Z0-071).
Candidates will face 70–85 questions and have 120 minutes to complete the exam. This means you need strict time management. We strongly recommend taking timed practice tests to ensure you can maintain a steady pace without rushing when under actual exam time pressure.
The official examination fee is USD $245 (approx.), and you must achieve a score of 60% (approx.) to pass. Since retaking the test requires paying the full fee again, utilizing accurate practice materials for thorough self-assessment beforehand is crucial to protect your investment.
Candidate requirements include: Recommended: Experience with PL/SQL programming and Oracle Database, and passing Oracle Database SQL (1Z0-071) or equivalent foundation knowledge. Please verify all eligibility details on the official certification page before scheduling your appointment.
Absolutely. A free PDF demo is available for you to evaluate the quality of our questions. Once purchased, you receive 365 days of free updates. If your access expires, you can renew it at a 50% discount to keep your materials current.
Your 1z1-148 practice materials are delivered instantly. You can download them right away, and a copy will be sent to your email within one minute (contact support if not received in 2 hours). You can install the software on an unlimited number of computers. We also offer a 100% Money Back Guarantee: if you fail the corresponding exam within 60 days of purchase, you can claim a full refund. To apply, submit your enrollment slip and official Score Report PDF within 2 days after taking the test (processing takes up to 7 days). Note: failures within 3 days of purchase, downloaded but unattempted exams, free materials, and expired orders are excluded. The payer's name must match the candidate's name. Alternatively, you can exchange your order for two free exams of equal value and keep the original product's updates.
The syllabus is divided into 7 main domains. Key areas include "Working with Collections", "Performance and Caching", "Security and Code Robustness". For a comprehensive breakdown of all measured skills, please review the complete exam outline table provided above.
Examine this code:
Which two corrections must be applied for this anonymous block to execute successfully?
Correct Answer: A,E 🗳️
Examine this function header:
FUNCTION calc_new_sal (emp_id NUMBER) RETURN NUMBER;
You want to ensure that whenever this PL/SQL function is invoked with the same parameter value across active sessions, the result is not recomputed.
If a DML statement is modifying a table which this function depends upon, the function result must be recomputed at that point in time for all sessions calling this function.
Which two actions should you perform?
Correct Answer: A,B 🗳️
You execute this PL/SQL block:
What will be the outcome?
Correct Answer: A 🗳️
Examine the EMPLOYEE_IDS table its data:
Examine this PL/SQL block:
What is the result of executing this PL/SQL block with SERVEROUTPUT enabled?
Correct Answer: B 🗳️
In which two situations will a result-cached function execute even though no change was made on a dependent table or view? (Choose two.)
Correct Answer: B,D 🗳️
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