Your example must be from Oracle 10. If you try to use any value > 3 for flags in Oracle 9 you get an error
ORA-20001: Invalid or inconsistent input values ORA-06512: at "SYS.DBMS_STATS", line 3628 ORA-06512: at line 12I don't know what the additional binary 100 means in Oracle 10. I couldn't find a difference between using flags=2 and flags=6, even in the trace.
At 02:39 PM 12/14/2006, Milen Kulev wrote:
... And for avgclen and flags parameters of SET_COLUMN_STATS the documentation (http://download-uk.oracle.com/docs/cd/B10501_01/appdev.920/a96612/d_stats2.htm#1003948) says:Avgclen -Average length for the column (in bytes). Flags -For internal Oracle use (should be left as NULL)SREC.EPC := 2; DBMS_STATS.SET_COLUMN_STATS(NULL,'"DUMMY"','"D1"', NULL ,NULL,NULL,3,.333333333333333,0,srec,8,6); <----DATE is 8 bytes and flags is 6 and not NULL as documentation suggested ?
Just because you use NULL as an input "value" for flags doesn't mean Oracle uses NULL, it just means "use your internal default" which appears to be 2 for Oracle 9i and 6 for Oracle 10g.
Regards Wolfgang Breitling Centrex Consulting Corporationwww.centrexcc.com
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