... toasters) ¼
25 2
495
¼
28
55
% 0: 509
3. There are
2
C
2
ways to win 2 prizes.
2
C
2
¼
2!
2 À 2 !2!
¼
2!
2!
¼ 1
There are
100
C
2
ways to give away the prizes
100
C
2
¼
100 !
ð 100 À 2 !2!
¼
100 Á 99 ... r ¼ 3
12
C
3
¼
12!
ð 12 À 3Þ!3!
¼
12!
9!3!
¼
12 Á 11 Á 10 Á 9!
9! Á 3 Á 2 Á 1
¼ 22 0
2. n ¼ 7, r ¼ 2
7
C
2
¼
7!
ð7 À 2 !2!
¼
7!
5 !2!...
... key benefit is that these
42
Databases Demystified
Figure 2- 10 Order Details intersection table (Microsoft Access)
P: \01 0Comp\DeMYST\364-9\ch 02 . vp
Monday, February 09 , 20 04 8:36:16 AM
Color profile: ... belongs to one and only one customer.”
30
Databases Demystified
Figure 2- 3 One-to-many relationships
P: \01 0Comp\DeMYST\364-9\ch 02 . vp
Monday, February 09 , 20 04...
... than or equal to
100 00 and SALARY is less than or equal to 1 100 0. Here’s an alternative way to
write the equivalent WHERE clause:
WHERE SALARY >= 100 00
AND SALARY <= 1 100 0
Example 4-6: The ... same query results: ORDER BY 1 ,2.
1 02
Databases Demystified
Figure 4-9 Example 4-3, “Sorting Results”
P: \01 0Comp\DeMYST\364-9\ch04.vp
Monday, February 09 , 20 04 9 :03 :19 A...
... 1 ,00 0 ,00 0 shares
Number of shares issued 500 ,00 0 shares
Number of treasury shares 20 0, 000 shares
Therefore, the number of shares outstanding is 300 ,00 0
shares ( 500 ,00 0 shares issued מ 20 0, 000 ... with a par value
of $0. 01. The company sells 100 ,00 0 shares on February 22 ,
20 02 , for a total price of $ 500 ,00 0. The entry would be:
2/ 22/ 02 Cash 500 ,00 0 (A)
Comm...