Databases Connections Featured Databases Open-Source Databases Commercial Databases Chinook Sample Employees Sample	Data Modeling Shapes Items Connectors Aliases Relationship Items ER Notation Many-to-Many Relationships One-to-Zero/One Relationships Diagram Options Generated Models
Joins Basic Joins Join Notation Hierarchies Lookups Custom Joins Chains Union Joins Drill-Down	Expressions Data Types Null Issues and Fixes Fluent Expressions Conditional Formula
Basic Queries Query Types Sorting Data Filter Data Parameterized Queries Nesting Queries Demo Queries	Special Queries Skip-and-Keep Queries Inline Subqueries Aggregate Queries Crosstab Queries Grouping Sets Result Extensions
Window Functions Window Functions Overview Ranking Functions Offset Functions Window Framing	Charts and Graphs Inline Charts Regular Charts