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Certificate (Data Science)

[2025] SQLD Part2 One-Try Pass (Non-Majors)

SQLD, where to begin? A course for those feeling lost, you'll find a changed you after completion. SQLD All-in-One Pass!

(4.7) 6 reviews

42 learners

  • algolearn
시리즈
기출
쿼리
실습 중심
문제풀이
자격증
시험
SQLD
Big Data
SQL
Oracle

Reviews from Early Learners

What you will gain after the course

  • SQL Basic Usage, Query Structure & Lab

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

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

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

2025, Perfect for the Revised Exam!

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

SQLD - Part2. SQL Basics and Applications

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 verifies professional knowledge to deeply understand the core principles of SQL and skillfully utilize them in practical work. This course systematically covers essential core theories 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: Practical skill enhancement combining SQL theory + query writing practice (Oracle + DBeaver & MS SQL)

  • Practical Problem Solving and Mock Exams Provided: Perfect preparation for exam success!

The SQLD certification is the first step for you to grow as a data & big data specialist. If you write SQL well, you can improve not only your data analysis skills but also your data engineering capabilities.


Challenge yourself right now! 🚀

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

Slide 960 Px

All-in-One

Slide 960 Px-1

Part1. Data Modeling

Noraengi Practical Problem Solving

This course has these features!

Textbook with sufficient explanations

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

SQL Query Writing 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🚀 Solve the problems included in the textbook and organize what you've learned.

Quick overview, easy to remember! Mind map provided

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

  • A core course with detailed explanatory materials that even SQL beginners can fully understand and learn from

  • SQL Practice Environment Setup Guide and Practice Execution

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

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

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

Learning Content

  • We will conduct SQL basic theory and query writing practice.

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

  • Solve past exam questions and practice tests, then organize the key content.

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 Utilization

Advanced SQL Query Theory and Practical Writing

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

  • Hierarchical Queries, Pivot & UnPivot, Regular Expressions

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.

  • Core Past Exam Problem Solving

  • Mind Map Organization

Important Notes Before Enrollment

  • The SQL practice environment uses Oracle.

  • The copyright of the learning materials belongs to DataCode Lab. 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 self-developed materials (pdf), practice data & scripts, past exam solutions (pdf), mind map (html) provided

  • Self-developed textbook: Composed of theoretical explanations, categorized practice problems, chapter review problems, and actual mock exam 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 Part1, Yellow Book problem-solving 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?

  • Someone who wants to acquire SQLD at once to improve their development skills

  • Those aiming to become data scientists with an SQLD qualification

  • People who need both SQLD books and lectures

Hello
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498

Learners

70

Reviews

54

Answers

4.7

Rating

6

Courses

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  • 빅데이터 및 인공지능 분야 기업 및 공공기관 자문 및 출강

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  • 인공지능 분야 스타트업 대표

Curriculum

All

41 lectures ∙ (8hr 37min)

Course Materials:

Lecture resources
Published: 
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Reviews

All

6 reviews

4.7

6 reviews

  • tytyha3122님의 프로필 이미지
    tytyha3122

    Reviews 1

    Average Rating 4.0

    4

    61% enrolled

    • 알고런 데이터코드 연구소
      Instructor

      안녕하세요. 평점 남겨주셔서 감사드려요. 시험이 얼마 안 남았네요. 좋은 결과 있기를 바랍니다. 감사합니다.

  • 이영준님의 프로필 이미지
    이영준

    Reviews 2

    Average Rating 4.5

    4

    32% enrolled

    • 안녕하세요.평점 남겨주셔서 감사드려요. 시험이 얼마 안 남았네요. 좋은 결과 있기를 바래봅니다. 감사합니다.

  • 이재원님의 프로필 이미지
    이재원

    Reviews 1

    Average Rating 5.0

    5

    32% enrolled

    • 안녕하세요. 좋은 평점 남겨주셔서 감사드려요. 시험이 얼마 안 남았네요. 좋은 결과 있기를 바래봅니다. 감사합니다.

  • 흔들거북이님의 프로필 이미지
    흔들거북이

    Reviews 10

    Average Rating 5.0

    5

    100% enrolled

    너무 잘 들었습니다. 특히 제공해주신 자료에 엄청 정성이 들어가있다고 생각되네요. 시험은 가체점 해본결과 높은 점수가 나와서 무난히 합격할 것 같습니다. 감사합니다.

    • 와 축하드려요. 무난히 합격하실거 같다니 다행이에요. 강의 후기도 남겨주셔서 감사드리구여. 늘 행복하시길 빌게요. 감사드립니다.

  • Betterlife님의 프로필 이미지
    Betterlife

    Reviews 3

    Average Rating 5.0

    5

    29% enrolled

    직접 따라해볼수 있어서 이해하기 너무 좋습니다!!

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