RE: Expanding varchar2 column

  • From: "Norman Dunbar" <norman.dunbar@xxxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <mark.strickland@xxxxxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>, <paul.baumgartel@xxxxxxxxx>
  • Date: Wed, 16 Nov 2005 09:14:59 +0000

I couldn't resist :

create a table.
Load it.
Alter it.

The trace file shows a lot of selects followed by an update to$, SYS.col$ and SYS.obj$. The original table isn't touched.

I didn't test where the table has a default value or check contraints
etc - they might be different.


Norman Dunbar.
Contract Oracle DBA.
Rivers House, Leeds.

Internal : 7 28 2051
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