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Course Outline
Introduction to Structured Query Language and Relational Data Management
- Fundamentals of database architecture
- Overview of standard SQL syntax
- Management of tables and schemas for government data systems
Foundational Querying Methods
- Data selection and projection techniques
- Row filtering using the WHERE clause
- Result set ordering via ORDER BY
Multi-Table Join Operations
- Execution of inner, left, right, and full outer joins
- Integration of disparate data sources
- Definition and application of join conditions
Aggregate Functions and Grouping Logic
- Utilization of COUNT, SUM, AVG, MIN, and MAX functions
- Effective implementation of GROUP BY clauses
- Application of HAVING clauses to filter aggregated results
Subqueries and Nested Query Structures
- Implementation of scalar subqueries
- Use of correlated subqueries for dynamic data retrieval
- Employment of subqueries in filtering and computational tasks
Data Manipulation and Modification Operations
- Insertion of new records into databases
- Modification of existing data entries
- Secure deletion of data in compliance with government retention policies
Database Objects and Integrity Constraints
- Administration of primary and foreign key relationships
- Creation and utilization of database views
- Establishment of constraints to ensure data integrity and governance
Advanced SQL Capabilities
- Application of window functions for complex analytical queries
- Use of Common Table Expressions (CTEs) to enhance code readability and maintainability
- Principles of performance optimization and query tuning for efficient data processing
Course Summary and Recommended Next Steps
Requirements
- Foundational knowledge of core data principles
- Proficiency in utilizing spreadsheets and tabular formats for government operations
- Working familiarity with standard business software applications
Target Audience
- Data analysts
- IT professionals
- Personnel responsible for managing, querying, and analyzing information assets
10 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
The lecture about cte