Database Systems and Data Modeling · Data & Analysis

SQL Query Optimization

Writing complex queries involving joins, grouping, and subqueries to extract meaningful insights.

Key Questions

  1. 1How does the order of operations in a SQL statement affect performance?
  2. 2In what ways can we join multiple tables to answer complex business questions?
  3. 3How do aggregate functions help in summarizing large volumes of raw data?

MOE Syllabus Outcomes

MOE: Data and Information - JC2
Level: JC 2
Subject: Computing
Unit: Database Systems and Data Modeling
Period: Data & Analysis

Suggested Methodologies

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