実習で身につくSQLDの定石(2科目)
coddatg
SQLD試験の準備に途方に暮れている方のために、 ノランイ全範囲を分析して必要な理論をまとめ、実習中心で授業を進行し、 すべての問題を解いてみる正統派講義です。 短くて簡潔なクリップとトピック別分割構成で、 試験会場ですぐに通用する実力を身につけることができます。
초급
SQL, Oracle, MSSQL
Learn SQL not through listing grammar like SELECT and WHERE, but by solving business questions like "What are recent sales?", "Who buys more?", and "What are the Top 5 products?". Practice hands-on in a free environment (BigQuery Sandbox + Looker Studio) and complete analysis results with dashboards. You can gain practical data analysis thinking along with SQL fundamentals without getting bored.
98 learners
How to apply basic SQL syntax (SELECT, FROM, WHERE, GROUP BY, JOIN, etc.) to real e-commerce data analysis
Business Questions → SQL Queries → Insight Generation: An Analytical Thinking Approach
Analyzing sales trends, moving totals, and smoothing using aggregate functions and window functions
Segmenting customer segments like age groups and gender using conditional statements (CASE WHEN)
Excluding refund/cancellation transactions, period filtering, and other data preprocessing techniques needed in actual business operations
**Using Ranking Functions (RANK, DENSE_RANK, ROW_NUMBER)** to Extract Top5 / Bottom5 Products and Brands
How to Practice Real SQL for Free in BigQuery Sandbox
Creating Sales, Customer, and Product Analysis Dashboards Using Looker Studio
Experience creating complete dashboards that can be used as portfolio reports
Who is this course right for?
Beginners who are learning SQL for the first time
Business professionals (planning/marketing/MD, etc.)
Data analyst aspirant / Job seeker
People who aren't developers but want to communicate with data and numbers
College students and graduate students with limited budgets (using only free tools)
Need to know before starting?
Something like what SQL is..?
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88 lectures ∙ (5hr 28min)
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