Datenbank-Uebersicht

diff --git a/misc/overview.fig b/misc/overview.fig
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+#FIG 3.2
+Landscape
+Center
+Metric
+A4      
+100.00
+Single
+-2
+1200 2
+6 840 1155 2535 3210
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 1
+        1935 1845
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        1080 1870 1935 1870
+2 1 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        855 1620 2520 1620
+2 4 0 2 0 7 50 0 -1 0.000 0 0 7 0 0 5
+        2520 3195 855 3195 855 1170 2520 1170 2520 3195
+4 0 0 50 0 18 12 0.0000 4 135 510 1080 2070 Name\001
+4 0 0 50 0 18 12 0.0000 4 135 720 1080 2295 Address\001
+4 0 0 50 0 18 12 0.0000 4 135 855 1080 1845 Customer\001
+4 0 0 50 0 18 12 0.0000 4 180 1275 1080 2520 Bank_Account\001
+4 0 0 50 0 18 12 0.0000 4 135 705 1080 2745 Passwd\001
+4 0 0 50 0 18 12 0.0000 4 135 840 1080 2970 Comment\001
+4 1 0 50 0 18 16 0.0000 4 180 1155 1665 1485 Customer\001
+-6
+6 3615 2745 5310 4620
+2 1 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        3630 3210 5295 3210
+2 4 0 2 0 7 50 0 -1 0.000 0 0 7 0 0 5
+        5295 4605 3630 4605 3630 2760 5295 2760 5295 4605
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        3845 3455 4580 3455
+4 0 0 50 0 18 12 0.0000 4 135 855 3855 3660 Customer\001
+4 0 0 50 0 18 12 0.0000 4 135 420 3855 3885 Date\001
+4 0 0 50 0 18 12 0.0000 4 135 705 3855 3435 OrderID\001
+4 0 0 50 0 18 12 0.0000 4 135 600 3855 4110 Status\001
+4 0 0 50 0 18 12 0.0000 4 135 330 3855 4335 Tax\001
+4 1 0 50 0 18 16 0.0000 4 180 675 4440 3075 Order\001
+-6
+6 7890 2730 9585 4785
+2 1 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        7905 3195 9570 3195
+2 4 0 2 0 7 50 0 -1 0.000 0 0 7 0 0 5
+        9570 4770 7905 4770 7905 2745 9570 2745 9570 4770
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        8130 3440 8585 3440
+4 0 0 50 0 18 12 0.0000 4 135 510 8130 3645 Name\001
+4 0 0 50 0 18 12 0.0000 4 180 1005 8130 3870 Description\001
+4 0 0 50 0 18 12 0.0000 4 135 465 8130 3420 ArtID\001
+4 0 0 50 0 18 12 0.0000 4 135 630 8130 4095 Picture\001
+4 0 0 50 0 18 12 0.0000 4 135 630 8130 4320 HxWxD\001
+4 0 0 50 0 18 12 0.0000 4 135 450 8130 4545 Price\001
+4 1 0 50 0 18 16 0.0000 4 180 765 8715 3060 Article\001
+-6
+6 10365 1155 12060 2535
+2 1 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        10380 1620 12045 1620
+2 4 0 2 0 7 50 0 -1 0.000 0 0 7 0 0 5
+        12045 2520 10380 2520 10380 1170 12045 1170 12045 2520
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        10600 1875 11051 1875
+4 0 0 50 0 18 12 0.0000 4 180 1095 10605 2070 count_spare\001
+4 0 0 50 0 18 12 0.0000 4 180 1065 10605 2295 count_order\001
+4 0 0 50 0 18 12 0.0000 4 135 465 10605 1845 ArtID\001
+4 1 0 50 0 18 16 0.0000 4 240 675 11190 1485 Spool\001
+-6
+6 5655 5205 7410 6870
+2 1 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        5700 5700 7365 5700
+2 4 0 2 0 7 50 0 -1 0.000 0 0 7 0 0 5
+        7365 6825 5700 6825 5700 5250 7365 5250 7365 6825
+4 0 0 50 0 18 12 0.0000 4 135 465 5925 6150 ArtID\001
+4 0 0 50 0 18 12 0.0000 4 135 675 5925 6375 Amount\001
+4 0 0 50 0 18 12 0.0000 4 135 705 5925 5925 OrderID\001
+4 0 0 50 0 18 12 0.0000 4 135 450 5925 6600 Price\001
+4 1 0 50 0 18 16 0.0000 4 180 1020 6510 5565 Orderlist\001
+-6
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 2337 1762 30 30 2337 1762 2367 1762
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 3774 3587 30 30 3774 3587 3804 3587
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 5149 3387 30 30 5149 3387 5179 3387
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 5849 5837 30 30 5849 5837 5879 5837
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 7224 6075 30 30 7224 6075 7254 6075
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 8012 3412 30 30 8012 3412 8042 3412
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 9423 3387 30 30 9423 3387 9453 3387
+1 3 0 1 0 0 50 0 20 0.000 1 0.0000 10486 1800 30 30 10486 1800 10516 1800
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        2352 1755 3762 3585
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        5157 3375 5847 5880
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        8007 3375 7242 6090
+2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 2
+        9447 3360 10482 1770