Time period

Type Length PK FK Mode Mandatory Remarks
        Table Field Read Write Delete Create Update  
code STRING 80 X     X X X      
color NUM         X X X      
capacity not available during this period BOOLEAN         X X X      
description STRING 80       X X X      
end of first block DATE         X X X      
model name STRING 80 X Global model name   X        
repetition period count NUM         X X X      
repetition period unit NUM         X X X     1=minutes; 2=hours; 3=days; 4=weeks; 5=months; 6=years
start of first block DATE 19       X X X      
valid until DATE 19       X X X