Symbols
Last updated
Last updated
Icon | Description |
---|---|
Icon | Description |
---|---|
null
When the value is null
undefined
When the value doesn't exit at all
β
Alias for 'true', 'Y', 'YES', 'Yes', true
β
Alias for 'false', 'N', 'NO', 'No', false
β
Unique, so duplicate value is restricted per table
β‘οΈ
Indexed, so the column is stored in RAM, used for performance and mandatory for references
π
Primary, combination of Unique and Indexed, it's the unique identifier of a row/document
π
Reference, so each value link a foreign document/row
β
Nullable, so the value is not mandatory for this column/property