| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| 1 | TEWA_EL_ATTR | Maintenance Of Properties For Sample Characteristics | 2 | SAMPLE_ATTR | Characteristic For Sample Drawing | nvarchar | 30 | 0 | | |
| 2 | TEWA_EL_ATTRFLD | Maintenance of Sample Characteristics | 1 | SAMPLE_ATTR | Characteristic For Sample Drawing | nvarchar | 30 | 0 | | |
| 3 | TEWA_EL_ATVAL | Maintenance Of Characteristic Values Per Characteristic | 2 | SAMPLE_ATTR | Characteristic For Sample Drawing | nvarchar | 30 | 0 | | |
| 4 | TEWA_EL_ATVALT | Text table for characteristic values | 3 | SAMPLE_ATTR | Characteristic For Sample Drawing | nvarchar | 30 | 0 | | |
