BEGINNER WORKOUT:
6×50 easy swim on the 1:30 (warm-up)
10×25 choice kick on the :50
5×100 choice on the 2:45
5×100 free descending in time on the 2:30
10×25 easy swim on the :40 (cool down)
= 1800
INTERMEDIATE WORKOUT:
10×50 easy swim on the 1:15 (warm-up)
10×50 free on the :55
200 choice kick
5×100 (odd 100s IM/even 100s anything but free) on the 2:15
5×100 free descending in time on the 1:45
200 free pull
16×25 choice (odd 25s sprint/even 25s easy) on the :45
200 easy swim (cool down)
= 3000
ADVANCED WORKOUT:
10×50 easy swim on the 1:00 (warm-up)
10×50 free on the :50
10×50 free on the :45
200 choice kick
5×100 (odd 100s IM/even 100s reverse IM) on the 1:45
5×100 free descending in time on the 1:20
200 free pull
20×25 choice (odd 25s sprint/even 25s easy) on the :30
500 easy swim (cool down)
= 3900
My Daily Swim 
is this enough for a swiimer
It depends on your goals, but generally the advanced workouts should be adequate for most swimmers. I am training for masters nationals and I often use the advanced workouts in my training.
Eric