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Course Outline
Review of SQL Basics for Government
- Recap of SELECT, WHERE, and GROUP BY clauses
- Quick review of JOIN types for government data integration
- Understanding the query execution order for efficient data retrieval
Data Manipulation Statements for Government
- INSERT INTO for adding new records to databases
- UPDATE and DELETE statements for managing existing data
- Transaction control (BEGIN, COMMIT, ROLLBACK) for ensuring data integrity
Advanced Joins and Set Operations for Government
- FULL OUTER JOIN for comprehensive data consolidation
- UNION, INTERSECT, and EXCEPT operations for set manipulation
- SELF JOIN for relating a table to itself in complex queries
Subqueries and Derived Tables for Government
- Correlated vs. non-correlated subqueries for precise data filtering
- Using subqueries in the FROM clause for advanced data selection
- CTEs (Common Table Expressions) for simplifying complex queries
Window Functions for Government
- ROW_NUMBER, RANK, and DENSE_RANK functions for ranking data
- PARTITION BY and ORDER BY clauses for segmenting and ordering results
- LEAD and LAG functions for accessing previous or next rows in a result set
Data Types and Functions for Government
- String and date functions for manipulating text and temporal data
- CASE and IF statements for conditional logic in queries
- Type conversions and null handling for robust data management
Query Optimization for Government
- Understanding indexes for enhancing query performance
- Using EXPLAIN to analyze query execution plans
- Best practices for writing efficient queries to optimize resource use
Summary and Next Steps for Government
Requirements
- Basic knowledge of SQL SELECT statements for government applications
- Experience with filtering, sorting, and simple joins in database queries
- Understanding of relational database concepts and their application in data management
Audience
- Data analysts responsible for government datasets
- Developers working with SQL databases for government projects
- Business intelligence professionals supporting government agencies
14 Hours
Testimonials (3)
It was very interactive and it kept us interested.
Raluca Alexandra PUNGA
Course - SQL Fundamentals
Small group, in-person for 3 days,
Annina - Ricardo AG
Course - SQL: Basics to Intermediate
I liked the pace of the training and the level of interaction. All participants were encouraged to actively partake in discussions around exercise solutions, etc.