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Re: Please help me. Group by is not working properly.. [message #375155 is a reply to message #375154] |
Tue, 31 July 2001 21:39 |
andrew again
Messages: 2577 Registered: March 2000
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Senior Member |
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in sqlplus, "set autotrace on" and then execute the statement - compare plans on both systems.
not a solution, but maybe a workaround...
Select /*+rule */ A, B,C
from table_a
Group by A, B, C;
Select /*+full(a) */ A, B,C
from table_a a
Group by A, B, C;
also, analyze table table_a estimate statistics;
If that all fails, check the oracle metalink for known bugs.
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