SQL: Basics to Intermediate Training Course

Part 1: SQL Basics for Government

Introduction to SQL and Databases

• Understanding databases for government operations
• Introduction to SQL for data management
• Setting up the SQL environment for government use

SQL Syntax and Basic Queries

• Overview of SQL syntax for government applications
• Using SELECT statements for data retrieval
• Filtering data with the WHERE clause for targeted queries

Working with Functions and Aggregates

• Common SQL functions for data manipulation
• Aggregate functions: COUNT, SUM, AVG, MAX, MIN for statistical analysis
• Grouping data with GROUP BY for comprehensive reporting

Joining Tables

• Understanding JOINs for integrating data sources
• INNER JOIN for combining matching records
• LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN for comprehensive data integration

Subqueries and Set Operations

• Writing subqueries for complex queries
• Using UNION, INTERSECT, and EXCEPT operations for data consolidation

Data Manipulation

• INSERT INTO statement for adding new records
• UPDATE statement for modifying existing data
• DELETE statement for removing unwanted entries

Part 2: Intermediate SQL for Government

Advanced Data Filtering

• Advanced WHERE clause techniques for precise data retrieval
• LIKE operator and pattern matching for flexible queries
• IN and BETWEEN operators for efficient filtering

Complex Joins and Subqueries

• Self-joins for hierarchical data structures
• Non-correlated and correlated subqueries for complex conditions
• EXISTS clause for conditional data retrieval

Working with Indexes and Views

• Understanding indexes and their impact on performance in government databases
• Creating and using views for simplified data access

Advanced Functions and Stored Procedures

• User-defined functions for custom operations
• Stored procedures and triggers for automated processes
• Error handling in SQL for robust applications

Data Transformation and Analysis

• Pivoting and unpivoting data for flexible reporting
• Window functions: ROW_NUMBER, RANK, DENSE_RANK for advanced analytics
• CTEs (Common Table Expressions) for structured queries

Database Design and Normalization

• Principles of database design for government systems
• Normal forms and normalization techniques for data integrity
• Entity-Relationship (ER) modeling for clear data structures

Performance Tuning and Optimization

• Query optimization techniques for efficient data processing
• Execution plans for analyzing query performance
• Best practices for performance tuning in government databases

SQL in the Real World for Government

• Integrating SQL with other technologies for comprehensive solutions
• Case studies and real-world scenarios for practical application
• Final project: Building a database solution from scratch for government use

Summary and Next Steps