Symbols
Here is the list of the symbols used in the app and there meaning :
Values related
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
Structure related
Icon
Description
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
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