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ABN 26621887572

Certifications/Oracle/Oracle 1Z0-148
Oracle专业级💾 数据库

Oracle Database 12c: Advanced PL/SQL (1Z0-148)

Oracle Database 12c advanced PL/SQL exam prep covering collections, bulk operations, advanced packages, advanced triggers, performance tuning, object types, and LOBs. Includes 73+ practice questions with explanations, a 120-minute exam format, and a 60% passing score.

Start PracticeBrowse Learning Path
70
Questions per exam
73
Question bank total
120m
Exam Duration
60/100
Passing Score
$245
Exam Fee

At a glance

73 questions
Best forOracle developers who already use PL/SQL in real systems, Database professionals moving beyond the basic PL/SQL exam
Prep pace8-10 weeks with experience
Course pack7 chapters · 36 hours
Learner signal0 enrolled · 0/5
Exam Guide

What this certification covers

This page is structured for quick scanning first: exam format, fit, prep time, and the actual study scope.

Certification Overview

Oracle Database 12c: Advanced PL/SQL (1Z0-148) is an Oracle certification exam for people who already know the basics and want to go deeper. It focuses on higher-level PL/SQL work: collection types, bulk processing, advanced package design, advanced triggers, compiler behaviour, performance tuning, object types, and LOB handling.

Exam Information

  • Exam code: 1Z0-148
  • Exam length: 120 minutes
  • Number of questions: about 70
  • Passing score: 60%
  • Exam fee: $245 USD

Who Is This For

This certification is aimed at Oracle developers and database professionals who already work with PL/SQL and want to prove they can build faster, cleaner, and more maintainable database code.

You will work with

Oracle 技术数据库管理系统架构性能优化故障排除

After preparation

  • Prepare for the Oracle 1Z0-148 exam with a focused study path
  • Use advanced PL/SQL features with more confidence and less guesswork
  • Write code that is easier to tune, extend, and maintain
  • Strengthen your profile for Oracle development and database engineering roles

Exam details

Exam Code
1Z0-148
Provider
Oracle
Duration
120 minutes
Question Count
70 questions
Passing Score
60/100
Validity
0 years
Exam Fee
$245 USD
Question Types
Single choice, Multiple select
Languages
English, 日本語
Official Page
Open AWS page

Who should take it

Good fit

  • Oracle developers who already use PL/SQL in real systems
  • Database professionals moving beyond the basic PL/SQL exam
  • IT staff who need deeper Oracle database programming skills
  • Technical engineers who want to improve PL/SQL performance and design

Before you start

  • You should already know standard PL/SQL blocks, cursors, and procedures
  • Hands-on Oracle database development experience is recommended
  • 1Z0-144 or equivalent PL/SQL knowledge is the right starting point

Study preparation

With hands-on AWS

8-10 weeks

From scratch

12-16 weeks

Daily pace

1-2 hours/day

Learning path preview

7 chapters
1
1Z0-148 Exam Overview and Study Plan
30 min
2
Advanced PL/SQL Design and Collections
60 min
3
Advanced Package Design and Built-in Packages
70 min
4
Advanced Triggers and Compiler Optimisation
80 min
5
PL/SQL Performance Tuning
90 min
6
Object Types and LOB Handling
100 min
+ 1 more chapters inside the full path

Certification comparison

Oracle 1Z0-148Oracle 1Z0-071Oracle 1Z0-078
ProviderOracleOracleOracle
Level专业级助理级专业级
Fee$245$245$245
Duration120 min120 min120 min
Questions per exam707370
Validity0 yrs0 yrs0 yrs

Study tips and common mistakes

💡

70 题 120 分钟，平均每题 2 分钟，合理分配时间

💡

及格分 60/100，不确定的题先标记跳过，回头再做

💡

排除法非常有用 — 先排掉明显错误的选项，剩下的再分析

💡

多选题会告诉你选几个，仔细看题目要求

⚠️

没有读完所有选项就选答案 — 题目经常有"最佳"答案和"正确但不最佳"的干扰项

⚠️

备考只刷题不理解原理 — 考试场景题需要理解底层概念

⚠️

忽略时间管理 — 在难题上卡太久，导致后面简单题没时间做

Frequently Asked Questions

If you plan to take Oracle 1Z0-148, start with real practice.

73 questions, chapter-by-chapter learning, mock exams, wrong-question review, and AI tutor support live in the exam page.

Go to exam prep

From $39 · 2 free chapters

Student reviews

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EXAM PREP

Oracle 1Z0-148 Question Bank

Chapter-by-chapter learning + mock exams + AI tutor

73
Questions
7
Chapters
36h
Study
AI
Tutor
  • First 2 chapters free
  • Real exam format mock tests
  • AI-powered wrong answer review
  • Chapter progress tracking
From $39
Start Practice Now

Prep snapshot

Study chapters7
Practice questions73
Estimated hours36h

What is inside

  • 73+ practice questions focused on advanced PL/SQL skills
  • Coverage of collections, bulk operations, advanced packages, and advanced triggers
  • Performance tuning topics such as profiling, result cache, and native compilation
  • Object types and LOB management explained in practical terms
  • Mock exam built around the official 70-question, 120-minute format