Re: Need help with RATIO and ROUND
From: LKBrwn_DBA <member30625_at_dbforums.com>
Date: Thu, 26 Jun 2003 17:59:38 +0000
Message-ID: <3047286.1056650378_at_dbforums.com>
Date: Thu, 26 Jun 2003 17:59:38 +0000
Message-ID: <3047286.1056650378_at_dbforums.com>
Hilarion's formula wont work correctly:
SQL>select rownum, rownum*31.416, (ROUND( (rownum*31.416) / 50 ) * 50)
SQL>AS wv_ratio
2* from user_objects
SQL>/
ROWNUM ROWNUM*31.416 WV_RATIO
---------- ------------- ----------
1 31.416 50
2 62.832 50
3 94.248 100
4 125.664 150
5 157.08 150
6 188.496 200
7 219.912 200
8 251.328 250
9 282.744 300
10 314.16 300
11 345.576 350
12 376.992 400
13 408.408 400
14 439.824 450
15 471.24 450
16 502.656 500
17 534.072 550
18 565.488 550
19 596.904 600
20 628.32 650
20 rows selected.
SQL>SELECT rownum, rownum*31.416
2 , TRUNC(rownum*31.416,-2)
3 + ECODE(SIGN(TRUNC( MOD(rownum*31.416,100))-50) ,1,100,50)
AS WV_RATIO
4 FROM user_objects
5 /
ROWNUM ROWNUM*31.416 WV_RATIO
---------- ------------- ----------
1 31.416 50
2 62.832 100
3 94.248 100
4 125.664 150
5 157.08 200
6 188.496 200
7 219.912 250
8 251.328 300
9 282.744 300
10 314.16 350
11 345.576 350
12 376.992 400
13 408.408 450
14 439.824 450
15 471.24 500
16 502.656 550
17 534.072 550
18 565.488 600
19 596.904 600
20 628.32 650
20 rows selected.
SQL>
-- Posted via http://dbforums.comReceived on Thu Jun 26 2003 - 19:59:38 CEST