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In classes and project types the Columns can respectively fields be in such a way adjusted that they accept only certain values.
To read about the consequences for the user, please click here. This clause is directed at the administrator of the system, and how he can configure these values.
| Appellation | Description |
|---|---|
| Unique | Field takes up only one value. |
| Required | Field must contain at least one value. If Unique was selected at the same time, then exactly one value must be indicated. |
| Lookup | Makes contact to a lookup table. |
| Lookup Mandatory | It prescribes that only values from the indicated lookup table may be written into the field. |
| Format String | f a format string is indicated, then this is always binding. If you want to read the definition of the format string, then click here please. |
| Datatype | Describes the data type for the user. |
| Tooltip | Spends the user a small assistance. |