Hi:
We have a program that import a big schema data and then run
DBMS_STATS.GATHER_TABLE_STATS for all the imported tables. Now with oracle
9.2.0.1.0 installed, I thought we could get rid off
"DBMS_STATS.GATHER_TABLE_STATS" step since it can import satatistics.
However our original db is still 8173. I tried the following and it does not
seem to work.
1. verified that the column "last_analyzed" data is 9/15/2003 for all the
user_tables in a 8173 db schema.
2. ran exp on the 8173 db, export the schema, using parameter "STATISTICS =
COMPUTE" in parameter file
3. ran imp on the dump file (generated from the above), import data into a
9.2.0.1.0 db, using parameter
"STATISTICS=safe" in parameter file
4. looked at column "last_analyzed" again for all the imported tables in
9.2.0.1.0 db, I found that they are the current date (basically the
timestamp of table import).
If I use STATISTICS=ALWAYS in Step 3, I got the same result. So my question
is: what should I do so that I can import 8i statistics into an 9i db?
Thanks.
Guang
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Author: Guang Mei
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