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Snitz Forums 2000 DEV-Group
DEV Discussions (Oracle)
Calculate Last Segment? Urgent!!
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sonicboy
Starting Member
11 Posts
Posted - 06 November 2004 : 23:02:29
Help! Can someone please give me an
example of a scenario with solution
on how to go about
calculating the last segment
in Oracle? Thanks so much!
<
laser
Advanced Member
Australia
3859 Posts
Posted - 07 November 2004 : 02:33:10
Are you talking OLAP or normal RDBMS ?
Either way, I think you're posting in the wrong forum.<
sonicboy
Starting Member
11 Posts
Posted - 07 November 2004 : 04:02:48
I'm not so sure about that but the question and solution for Calculation of the size of last extent is as follows:
Question:
Calculate, showing your working in detail, the size of the 3rd and 5th extent where INITIAL = 100 KB, NEXT = 200 KB, PCTINCREASE = 20.
Solution:
Size = NEXT * [ 1 + ( PCTINCREASE/100)](n-2)
Size of 3rd extent
= 200*(1+0.2)
= 240 KB
Size of 5th extent
= 200*(1+0.2)3
= 345.6 KB
From the above, I hope you can figure out whether my doubts is related to OLAP or normal RDBMS. Thanks.<
laser
Advanced Member
Australia
3859 Posts
Posted - 07 November 2004 : 04:34:10
Sounds like more RDBMS like I thought, but the term "segment" also has a definition in the new OLAP 9i/10g world.
So, you're talking normal RDBMS and I can't help you at all in relation to that, but your maths seems fine ...
1.100 (initial)
2.200 (next)
3.240 (#2 + 20%)
4.288 (#3 + 20%)
5.345.6 (#4 + 20%)
This is just what I calculated based on the formula you provided.
<
sonicboy
Starting Member
11 Posts
Posted - 07 November 2004 : 05:36:04
The above formula that I have provided is for calculation of the size of the last extent. Is there actually a formula for calculating the size of the last segment?<
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