I managed to emulate Don Burleson's problem:
SQL> create table test_table
2 (c1 number)
3 storage (pctfree 20 pctused 30);
storage (pctfree 20 pctused 30)
*
ERROR at line 3:
ORA-02143: invalid STORAGE option
But when I read the error message, and
corrected the error that was reporting,
the statement worked:
create table test_table(c1 number)
pctfree 20 pctused 30;
Table created.
=========================
Richard was kind enough to refrain from
posting the next paragraph in the tip:
<quote>
This could be a serious issue for the Oracle professional unless they
remember that locally-managed tablespaces with automatic space management
ignore any specified values for NEXT and FREELISTS.
<end quote>
There is another error here.
For a bonus 10 points can anyone spot it ?
Hint - try the following in a tablespace
which is locallally managed, with automatic
space management, and either system managed
or uniform sized extents of no more than 1 M.
create table test2(n1 number)
storage (initial 1M next 2M pctincrease 100 minextents 3);
Regards
Jonathan Lewis
http://www.jlcomp.demon.co.uk
The educated person is not the person
who can answer the questions, but the
person who can question the answers -- T. Schick Jr
One-day tutorials:
http://www.jlcomp.demon.co.uk/tutorial.html
Three-day seminar:
see http://www.jlcomp.demon.co.uk/seminar.html
____UK___November
The Co-operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Thursday, December 11, 2003 1:14 PM
again, what is so bad with what burleson said about the pctfree and pctused?
>
> >> >
> >> > From: "Richard Foote" <[EMAIL PROTECTED]>
> >> > Date: 2003/12/11 Thu AM 06:39:26 EST
> >> > To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
> >> > Subject: Little competition
> >> >
> >> > Little competition for you all :)
> >> >
> >> > It's a two part question:
> >> > a.. What's wrong with the following piece of expert analysis ?
> >> > b.. Which well know "Oracle Guru" published this (and continues
to
> >> display it on his web-page) ?
> >> >
> >> >
> >> > "Sadly, Oracle9i doesn't allow you to specify the value for PCTFREE
if
> >> you're using automatic space management. This is a serious limitation
because
> >> Oracle9i can't know in advance about the amount of VARCHAR expansion in
a
> >> table row, leading to excessive row chaining and poor access
performance."
> >> >
> >> > SQL> create table
> >> > 2 test_table
> >> > 3 (c1 number)
> >> > 4 tablespace
> >> > 5 asm_test
> >> > 6 storage
> >> > 7 ( pctfree 20 pctused 30 )
> >> > 8 ;
> >> >
> >> > ( pctfree 20 pctused 30 )
> >> > *
> >> > ERROR at line 7:
> >> > ORA-02143: invalid STORAGE option
> >> >
> >> > However, here's an important point. While Oracle9i rejects the
PCTFREE and
> >> PCTUSED parameters with locally managed tablespaces with automatic
space
> >> management, it does allow you to enter invalid settings for NEXT and
> >> FREELISTS settings"
> >> >
--
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--
Author: Jonathan Lewis
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