how to check last gather stats on table in oracle
SELECT ST.TABLE_NAME, ST.PARTITION_NAME, HIGH_VALUE, ST.NUM_ROWS,
ST.BLOCKS, ST.LAST_ANALYZED
FROM DBA_TAB_STATISTICS ST
LEFT JOIN DBA_TAB_PARTITIONS PAR
ON PAR.TABLE_NAME = ST.TABLE_NAME AND PAR.PARTITION_NAME = ST.PARTITION_NAME
WHERE ST.OWNER = 'MY_OWNER'
AND ST.TABLE_NAME = 'MY_TABLE'
ORDER BY PARTITION_NAME;oracle gather table statistics
CALL DBMS_STATS.GATHER_TABLE_STATS(
'OWNER_NAME',
'TABLE_NAME',
ESTIMATE_PERCENT => 50, -- longer but better than 1 for exec plans
GRANULARITY => 'PARTITION', -- or SUBPARTITION or nothing
PARTNAME => 'PARTITION_NAME', -- or nothing
DEGREE => 8 -- parallelism
);Copyright © 2021 Codeinu
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