Course Outline

Introduction to SQL and Relational Databases for Government

  • Understanding database structures
  • Overview of SQL syntax
  • Working with tables and schemas

Basic Querying Techniques

  • Selecting and projecting data
  • Filtering rows using the WHERE clause
  • Sorting results with ORDER BY

Joining Multiple Tables

  • Inner, left, right, and full joins
  • Combining datasets from multiple sources
  • Resolving join conditions

Aggregations and Grouping

  • Using COUNT, SUM, AVG, MIN, MAX functions
  • Applying GROUP BY effectively
  • Filtering grouped data with the HAVING clause

Subqueries and Nested Statements

  • Scalar subqueries
  • Correlated subqueries
  • Using subqueries for filtering and calculations

Data Manipulation and Modification

  • Inserting new data
  • Updating existing records
  • Safely deleting data

Database Objects and Constraints

  • Understanding primary and foreign keys
  • Working with views
  • Implementing constraints and rules

Advanced SQL Techniques

  • Window functions
  • Common Table Expressions (CTEs)
  • Performance considerations and query tuning basics

Summary and Next Steps for Government

Requirements

  • A foundational understanding of data concepts
  • Experience with spreadsheets or tabular data management
  • Familiarity with general business applications for government

Audience

  • Data analysts
  • IT professionals
  • Users responsible for managing, querying, and analyzing data in a government context
 10 Hours

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