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Certificate (Data Science)

[2025] SQLD Part1 That Even Non-Majors Can Pass in One Try

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

(5.0) 7 reviews

50 learners

  • algolearn
자격증
빅데이터분석
시리즈
문제풀이
기출
이론 중심
시험
SQLD
erwin
Oracle
SQL
Big Data

Reviews from Early Learners

What you will gain after the course

  • Understanding Data Modeling - Entity, Attribute, Relationship, Identifier

  • ERWIN Database Modeling Practice

  • Data Models and SQL - Normalization, Relationships and Joins, Transactions, Null Attributes, Identifiers

  • Past Exam Problem Solutions

2025, Perfect for the Revised Exam!

SQLD Part1 that even beginners and non-majors can pass in one go!


SQLD - Part1. Understanding Data Modeling

This course is perfectly tailored to the revised 2025 exam.Provides an easy and fast path to obtaining the SQLD certification.


The SQLD certification is a nationally recognized certification that validates professional knowledge to deeply understand the core principles of SQL and skillfully utilize 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 Textbook Provided: Free exam preparation textbook with comprehensive explanations and practice problems (Oracle RDBMS based)

  • Harmony of Theory and Practice: Enhanced learning comprehension through data modeling practice + Practice software (erwin) provided

  • Practical Problem Solving: Perfect Preparation for Exam Success!

The SQLD certification is the first step for you to grow into a data & big data-based professional.
Take on the challenge right now! 🚀

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

All-in-One

Part2. SQL Basics and Applications

Noraengi Practical Problem Solving

This course has these features!

Textbook with sufficient explanations

We provide textbooks with sufficient explanations, not summarized PowerPoint presentations.

Data Modeling Practice

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

Provides item-by-item and chapter-by-chapter problems and past exam solutions

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

Quick overview, easy to remember! Mind map provided

Organize everything you've learned so far neatly and upgrade your skills to the next level!

  • SQL beginners can fully understand and learn with core lectures and detailed textbooks included

  • Provides hands-on lectures and software so you can directly create data models that form the foundation of SQL writing

  • Provides theoretical problems organized by topic and chapter that allow you to organize what you've learned while solving problems

  • The shortcut to success! Practical past exam problem-solving lectures and materials provided

  • Provides mind maps that are easy to organize at a glance and remember

Learning Content

  • Learn the core concepts of data modeling.

  • You can internalize data modeling through hands-on practice.

  • Learn the relationship between data models and SQL to master the basics of SQL writing.

Section (1) Understanding Data Models

SQLD Part1 > Chapter1

Understanding Data Models, Entities, Attributes, Relationships, and Identifiers

  • Essential Content for Improving SQL Understanding

  • Provides sufficient explanations and concept review problems

Section (2) Data Models and SQL

SQLD Part1 > Chapter2

Normalization, Relationships & Joins, Models and Transactions, Null Attributes, Identifiers

  • Data Model Understanding Advanced Lecture and Concept Review Problems

  • Acquiring Data Modeling Skills Through Hands-on Practice

Section (3) Past Exam Questions and Key Summary

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

  • Core Past Exam Problem Solving

  • Mind Map Organization

Important Notes Before Enrollment

  • This is a lecture that includes ERD practice.

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


Practice Environment

  • Operating System and Version (OS): Windows

  • Tools Used: erwin 7.3 (15-day Trial Version used)

  • PC Specifications: No restrictions

Learning Materials

  • SQLD Part1 proprietary study materials (pdf), practice problem solutions (pdf), mind map (html) provided

  • Self-developed textbook: Composed of theoretical explanations, categorized review problems, and unit summary problems

Prerequisites and Important Notes

  • SQL beginner learning available

  • After taking the course, proceed with problems and practice exercises, and repeatedly review the course and textbook content


  • SQLD Part2, Yellow Book problem-solving lectures are provided separately

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

Recommended for
these people

Who is this course right for?

  • Someone who wants to obtain SQLD in one attempt to improve their development skills

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

  • Those who need both SQLD books and lectures

Hello
This is

498

Learners

70

Reviews

54

Answers

4.7

Rating

6

Courses

공부하고 전파하는 것을 좋아합니다. 빅데이터와 인공지능에 오랜 경력이 있습니다.

  • 20년 현업 데이터분석가 경력, 5년 데이터 분석 강의!

  • 빅데이터 및 인공지능 분야 기업 및 공공기관 자문 및 출강

  • 빅데이터 분석기사 한권완성 필기, 실기 저자

  • 인공지능 분야 스타트업 대표

Curriculum

All

21 lectures ∙ (4hr 47min)

Course Materials:

Lecture resources
Published: 
Last updated: 

Reviews

All

7 reviews

5.0

7 reviews

  • onlymutalisk님의 프로필 이미지
    onlymutalisk

    Reviews 9

    Average Rating 5.0

    5

    100% enrolled

    • algolearn
      Instructor

      こんにちは。良い受講レビューを残してくださってありがとうございます。 もう試験まであと少しですね。 良い結果になることを願っています。応援しています。😊

  • kelly96110jung2027님의 프로필 이미지
    kelly96110jung2027

    Reviews 3

    Average Rating 5.0

    5

    60% enrolled

    • algolearn
      Instructor

      ありがとうございます。幸せな土曜日をお過ごしください。ご不明な点がございましたら、ご質問ください。

  • jerrycho님의 프로필 이미지
    jerrycho

    Reviews 10

    Average Rating 5.0

    5

    55% enrolled

    • algolearn
      Instructor

      こんにちは、쩨리様。レビューありがとうございます。良い土曜日をお過ごしください。ご不明な点がございましたら、お気軽にご質問ください。

  • grooveturtle290048님의 프로필 이미지
    grooveturtle290048

    Reviews 10

    Average Rating 5.0

    5

    100% enrolled

    とてもよく聞きました。

    • algolearn
      Instructor

      レビューありがとうございます。楽しんでいただけたようで嬉しいです。いつも幸せでありますように。

  • archblue279783님의 프로필 이미지
    archblue279783

    Reviews 3

    Average Rating 5.0

    5

    25% enrolled

    丁寧に説明してくださってありがとうございます。モデリングも実際に練習できるので、理解しやすかったです。講義をしっかり聞いて、必ず合格したいです。^^

    • algolearn
      Instructor

      はい、私もぜひ合格していただきたいです。応援しています。^^

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