Symbols
In this section:
Common
| Icon | Description |
|---|---|
 | Method |
 | Rails controller |
 | Module |
 | Alias of a method |
 | Global variable |
 | Instance variable |
 | Class variable |
 | Constant |
 | Hash key |
 | Variable |
 | Property |
 | Parameter |
 | Element |
 | Directory |
 | Test root |
 | Excluded root |
| Visibility modifiers | |
 | private |
 | protected |
 | self method |
 | public |
Data Sources
| Icon | Description |
|---|---|
 | DB data source. Also, DBMS-specific icons are used: |
 | DB data source with the read-only status, e.g.  for Derby. |
 | DDL data source |
 | Database |
 | Schema |
 | Table |
 | View |
 | Column |
 | A NOT NULL column |
 | Column with a primary key |
 | Column with a foreign key |
 | Column with an index |
 | Primary key |
 | Foreign key |
 | Index |
 | Trigger |
 | Stored procedure or function |
Last modified: 4 April 2018