강의

N
챌린지

멘토링

N
클립

로드맵

Data Science

/

Certificate (Data Science)

[2026] SQLD Part2 - Pass on Your First Try Even as a Non-Major

SQLD, where do I even start? A course for those who feel completely lost - you'll meet a transformed version of yourself after completing it. SQLD All-in-One Pass!

(4.7) 6 reviews

51 learners

Level Beginner

Course period 12 months

SQL
SQL
Big Data
Big Data
Oracle
Oracle
SQLD
SQLD
DBMS/RDBMS
DBMS/RDBMS
SQL
SQL
Big Data
Big Data
Oracle
Oracle
SQLD
SQLD
DBMS/RDBMS
DBMS/RDBMS

Reviews from Early Learners

4.7

5.0

desunny

32% enrolled

There were many difficult concepts, but it was definitely good to practice them. I was able to better understand things like pivot, unpivot, window functions, and grouping functions through the practice. Thank you.

5.0

흔들거북이

100% enrolled

I enjoyed it very much. I especially appreciate the effort that went into the materials you provided. After a preliminary scoring of the exam, I expect to pass without any issues, as I received a high score. Thank you.

5.0

Betterlife

29% enrolled

It's so great that I can follow along directly and understand it easily!!

What you will gain after the course

  • SQL Basics and Practical Query Structure and Practice

  • SQL Basics - SELECT, Functions, WHERE, GROUP BY, HAVING, ORDER BY, Joins and Standard Joins

  • SQL Utilization - Subqueries, Set Operators, Group and Window Functions, Hierarchical Queries, Pivot and Unpivot, Regular Expressions

  • Database Management Statements - DDL, DML, DCL, TCL

Slide 960 Px-2

Perfect fit for the 2026 revised exam!

SQLD Part2 that even beginners and non-majors can pass in one try!

SQLD - Part2. SQL Fundamentals and Applications

This course is perfectly tailored for the revised 2026 exam. It provides an easy and fast path to obtaining the SQLD certification.


The SQLD certification is a nationally recognized credential that validates professional knowledge in deeply understanding the core principles of SQL and skillfully applying them in practical work. This course systematically covers essential core theory for passing and actual exam problem-solving and practice, designed so that even beginners can learn effectively.

✅Why You Should Choose This Course:

  • Free SQLD Study Materials Provided: Free exam preparation materials with comprehensive explanations and practice problems (Oracle RDBMS-based)

  • Harmony of Theory and Practice: Practical skill enhancement combining SQL theory + query writing practice (Oracle + DBeaver & MS SQL)

  • Practice Problems and Mock Exams Provided: Perfect preparation for passing the exam!

The SQLD certification is your first step toward becoming a data & big data professional. Mastering SQL will enhance not only your data analysis skills but also your data engineering capabilities.


Take on the challenge right now! 🚀

Algo App Banner- 복사본 (1)

Click the image! You can download the app.

Scan the QR code and solve problems on the mobile app.

Verify your course review and receive a 100% free coupon.

Try our unrestricted mobile environment. Solve plenty of problems to pass.

Algo App Banner- 복사본 (4)

Clicking on the image will also navigate the screen. Verify your review and receive a free mobile app coupon.

Your choice leads to success! Choose SQLD All-in-One Pass lectures by part.

Slide 960 Px

All-in-One

Slide 960 Px-1

Part1. Data Modeling

Slide 960 Px-3

Nolaengi Practice Problem Solving

This course has these features!

Slide 960 Px

Textbook with comprehensive explanations

We provide textbooks with comprehensive explanations, not summarized PowerPoints.

Slide 960 Px-3

SQL Query Writing Practice

ERD appears in SQLD! It's directly connected to understanding SQL. You can enhance your understanding through modeling practice.

Slide 960 Px-2

Practice problems and past exam solutions provided by topic and chapter

Certification exams are all about practice problems🚀 Review what you've learned by solving the problems included in the textbook.

Slide 960 Px-5

Organize at a glance, remember easily! Mind map provided

Neatly organize what you've learned so far and upgrade your skills to the next level!

  • Core lectures that even SQL beginners can fully understand and learn, with textbooks that include detailed explanations

  • SQL practice environment setup guide and hands-on practice sessions

  • Provides theory questions by topic and chapter to help you review what you've learned while solving problems

  • The shortcut to passing! Provides lectures and materials on solving actual past exam questions

  • Providing mind maps that allow you to organize at a glance and remember easily

Learning Content

  • Learn SQL fundamentals and practice writing queries.

  • Learn advanced SQL and management statements and write queries directly.

  • Solve past exam questions and practice tests, and summarize key content.

Slide 960 Px - 조인

Section (1) SQL Basics

SQL fundamentals and query writing practice

  • Relational Database Fundamentals

  • Syntax such as SELECT, WHERE, GROUP BY, JOIN, etc.

Section (2) SQL Application

Advanced SQL query theory and writing practice

  • Subqueries, Sets, Group and Window Functions, TOP-N

  • Hierarchical queries, Pivot & UnPivot, Regular expressions

Slide 960 Px-윈도우
Slide 960 Px-CREATE VIEW

Section (3) Management Statements

RDBMS Management Statement Theory and Practice

  • DML, TCL, DDL, DCL

  • DML and Transactions

  • Database object permission management

Section (4) Past Exam Questions and Key Summary

Organize your learning content with past exam questions and mind maps.

  • Key Past Exam Questions and Solutions

  • Mind Map Summary

Slide 960 Px-4

Notes Before Taking the Course

  • The SQL practice environment uses Oracle.

  • The copyright of the learning materials belongs to DataCodeLab. Unauthorized distribution is prohibited.

Practice Environment

  • Operating System and Version (OS): Windows, Mac

  • Tools Used: Oracle 12C & DBeaver, LiveSQL

  • PC specifications: No restrictions

Learning Materials

  • SQLD Part2 proprietary textbook (pdf), practice data & scripts, past exam solutions (pdf), mind map (html) provided

  • Self-developed textbook: Consists of theory explanations, topic-specific review questions, chapter review questions, and practice exam questions

Prerequisites and Precautions

  • SQL beginners can learn

  • After completing the lecture, proceed with problems and practice, and repeatedly review the lecture and textbook content


  • SQLD Part1 and Nolaengi practice problem lectures are provided separately

  • The copyright of the lecture materials belongs to DataCodeLab. Unauthorized distribution is prohibited.

Recommended for
these people

Who is this course right for?

  • Those who want to obtain SQLD certification in one go and improve their development capabilities

  • Someone who wants to pursue a career as a data scientist with an SQLD certification

  • For those who need both SQLD books and lectures

Hello
This is algolearn

923

Learners

106

Reviews

91

Answers

4.7

Rating

6

Courses

I love studying and sharing knowledge. I have extensive experience in big data and artificial intelligence.

  • 20 years of experience as a data analyst and 5 years of teaching data analysis!

  • Consulting and lecturing for corporations and public institutions in the fields of Big Data and AI

  • Author of "Big Data Analysis Engineer All-in-One" (Written and Practical Exams)

  • CEO of an AI startup

More

Curriculum

All

41 lectures ∙ (8hr 37min)

Course Materials:

Lecture resources
Published: 
Last updated: 

Reviews

All

6 reviews

4.7

6 reviews

  • grooveturtle290048님의 프로필 이미지
    grooveturtle290048

    Reviews 10

    ∙

    Average Rating 5.0

    5

    100% enrolled

    I enjoyed it very much. I especially appreciate the effort that went into the materials you provided. After a preliminary scoring of the exam, I expect to pass without any issues, as I received a high score. Thank you.

    • algolearn
      Instructor

      Wow, congratulations. I'm glad to hear you'll likely pass without any issues. Thank you for leaving a review of the lecture as well. I wish you all the best. Thank you.

  • archblue279783님의 프로필 이미지
    archblue279783

    Reviews 4

    ∙

    Average Rating 5.0

    5

    29% enrolled

    It's so great that I can follow along directly and understand it easily!!

    • algolearn
      Instructor

      Okay, I'm glad you think it's good to follow along. Thank you :)

  • desunny6762님의 프로필 이미지
    desunny6762

    Reviews 2

    ∙

    Average Rating 5.0

    5

    32% enrolled

    There were many difficult concepts, but it was definitely good to practice them. I was able to better understand things like pivot, unpivot, window functions, and grouping functions through the practice. Thank you.

    • algolearn
      Instructor

      Okay. Thank you for taking the class. :)

  • tytyha31222780님의 프로필 이미지
    tytyha31222780

    Reviews 1

    ∙

    Average Rating 4.0

    4

    61% enrolled

    • younghe422863700님의 프로필 이미지
      younghe422863700

      Reviews 3

      ∙

      Average Rating 4.7

      4

      32% enrolled

      • algolearn
        Instructor

        Hello. Thank you for leaving a rating. The exam is coming up soon. I hope you get good results. Thank you.

    algolearn's other courses

    Check out other courses by the instructor!

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-Major

    algolearn

    SQLD, where do I even start? This course is for those who feel completely lost - you'll meet a transformed version of yourself after completing it. SQLD All-in-One Pass!

    Beginner

    Beginner

    SQL, Big Data, Data Engineering

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-Major

    algolearn

    Getting Started with Data Analysis: Python Basics and Practice for Non-MajorsCourse Thumbnail

    Getting Started with Data Analysis: Python Basics and Practice for Non-Majors

    algolearn

    This is a Python basics course for starters who want to grow as data analysts. - Those who want to do data analysis but don't know Python - Those who want to learn machine learning with Python - Those preparing for the Big Data Analytics Engineer practical exam - Those who want to develop machine learning-based applications with Python

    Beginner

    Beginner

    Python, Machine Learning(ML), Big Data

    Getting Started with Data Analysis: Python Basics and Practice for Non-MajorsCourse Thumbnail

    Getting Started with Data Analysis: Python Basics and Practice for Non-Majors

    algolearn

    Complete Mastery of Big Data Analysis Certification Practical Exam Past Questions [Includes all previous sessions · Continuous updates · Dedicated practice environment provided]Course Thumbnail

    Complete Mastery of Big Data Analysis Certification Practical Exam Past Questions [Includes all previous sessions · Continuous updates · Dedicated practice environment provided]

    algolearn

    Prepare perfectly for the Goorm environment—the biggest challenge of the Big Data Analysis Certification practical exam—on the practice platform provided by Algorun. Practice past exam questions for Task Types 1, 2, and 3 repeatedly in a setting identical to the actual exam environment to gain an intuitive feel for the test rather than just memorizing code. This is a practice-oriented lecture designed to train your hands to move automatically in an environment that differs from Colab or Jupyter.

    Basic

    Basic

    Pandas, statistical-test, sklearn

    Complete Mastery of Big Data Analysis Certification Practical Exam Past Questions [Includes all previous sessions · Continuous updates · Dedicated practice environment provided]Course Thumbnail

    Complete Mastery of Big Data Analysis Certification Practical Exam Past Questions [Includes all previous sessions · Continuous updates · Dedicated practice environment provided]

    algolearn

    [2026] Yellow Book 176 Practice Problems for Those Who Find SQLD Questions DifficultCourse Thumbnail

    [2026] Yellow Book 176 Practice Problems for Those Who Find SQLD Questions Difficult

    algolearn

    SQLD Yellow Book 176 Problem-Solving Course for those who studied but can't solve problems. After completion, you'll go beyond passing to become an expert. SQLD All-in-One Pass!

    Basic

    Basic

    SQL, Big Data, Oracle

    [2026] Yellow Book 176 Practice Problems for Those Who Find SQLD Questions DifficultCourse Thumbnail

    [2026] Yellow Book 176 Practice Problems for Those Who Find SQLD Questions Difficult

    algolearn

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-Major

    algolearn

    SQLD, where do I even start? A course for those who feel completely lost - you'll meet a transformed version of yourself after completing it. SQLD All-in-One Pass!

    Basic

    Basic

    SQL, Big Data, Oracle

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-Major

    algolearn

    Similar courses

    Explore other courses in the same field!

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-Major

    algolearn

    SQLD, where do I even start? A course for those who feel completely lost - you'll meet a transformed version of yourself after completing it. SQLD All-in-One Pass!

    Basic

    Basic

    SQL, Big Data, Oracle

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD Part1: Pass on Your First Try Even as a Non-Major

    algolearn

    58th Session (25.8.23) Reconstruction of High-Difficulty Exam Questions - All Questions by Subject and Chapter [SQLD Past Questions are the Answer!]Course Thumbnail

    58th Session (25.8.23) Reconstruction of High-Difficulty Exam Questions - All Questions by Subject and Chapter [SQLD Past Questions are the Answer!]

    leejm99987374

    "SQLD is an exam where past questions are not released to the public." Preparing for the upcoming 60th exam (26.3.7)— Practical study material featuring 50 questions per subject and chapter, vividly reconstructed based on the actual 58th exam, which was rated as having the highest difficulty ever!

    Basic

    Basic

    SQL, Oracle, pivot

    58th Session (25.8.23) Reconstruction of High-Difficulty Exam Questions - All Questions by Subject and Chapter [SQLD Past Questions are the Answer!]Course Thumbnail

    58th Session (25.8.23) Reconstruction of High-Difficulty Exam Questions - All Questions by Subject and Chapter [SQLD Past Questions are the Answer!]

    leejm99987374

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-Major

    algolearn

    SQLD, where do I even start? This course is for those who feel completely lost - you'll meet a transformed version of yourself after completing it. SQLD All-in-One Pass!

    Beginner

    Beginner

    SQL, Big Data, Data Engineering

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-MajorCourse Thumbnail

    [2026] SQLD All-in-One: Pass on Your First Try Even as a Non-Major

    algolearn

    Getting SQL Developer (SQLD) Certification Part 2Course Thumbnail

    Getting SQL Developer (SQLD) Certification Part 2

    usefulit

    It contains only the essentials required to obtain the SQLD certification. This is a learning process that will help you acquire the SQLD certification by solving various examples directly, starting from setting up the development environment and building your skills.

    Basic

    Basic

    SQL

    Getting SQL Developer (SQLD) Certification Part 2Course Thumbnail

    Getting SQL Developer (SQLD) Certification Part 2

    usefulit

    [2026 Edition] Big Data Analysis Certification Practical Exam (with Python)Course Thumbnail

    [2026 Edition] Big Data Analysis Certification Practical Exam (with Python)

    SoYoung Yoon

    The Big Data Analysis Certification is a nationally recognized certification exam held twice a year. For those preparing for the practical exam, we have provided detailed lectures covering everything from the basics to core concepts. As the exam difficulty increases with each session, we have included various essential contents starting from the fundamentals to help improve your chances of passing.

    Basic

    Basic

    Big Data

    [2026 Edition] Big Data Analysis Certification Practical Exam (with Python)Course Thumbnail

    [2026 Edition] Big Data Analysis Certification Practical Exam (with Python)

    SoYoung Yoon

    ADsP 2-week pass all-in-one passCourse Thumbnail

    ADsP 2-week pass all-in-one pass

    Masocampus

    Master the nationally certified data analysis associate specialist qualification exam in 2 weeks! Acquire the core theories and background knowledge of data, and learn advanced knowledge of data analysis using R, a statistical analysis tool.

    Beginner

    Beginner

    ADsP, Big Data, R

    ADsP 2-week pass all-in-one passCourse Thumbnail

    ADsP 2-week pass all-in-one pass

    Masocampus