Plan du cours

Introduction to SQL

  • What is SQL?
  • Understanding relational databases
  • Database engines and tools

Basic Data Retrieval

  • SELECT statements
  • Filtering with WHERE
  • Sorting with ORDER BY

Working with Columns and Rows

  • Using DISTINCT
  • Column aliases
  • Limiting results

Filtering and Comparison

  • Comparison operators
  • BETWEEN, IN, LIKE
  • Logical operators (AND, OR, NOT)

Aggregating and Grouping Data

  • COUNT, SUM, AVG, MIN, MAX
  • GROUP BY clause
  • HAVING clause

Table Joins Basics

  • Understanding primary and foreign keys
  • INNER JOIN
  • LEFT JOIN and RIGHT JOIN

Using Subqueries

  • Introduction to subqueries
  • Subqueries in SELECT
  • Subqueries in WHERE

Summary and Next Steps

Pré requis

  • An understanding of basic computer operations
  • Familiarity with using spreadsheets or tabular data
  • No prior programming experience required

Audience

  • Business analysts
  • Data entry professionals
  • Anyone new to working with databases
 14 Heures

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