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nenadnoveljic.com
| | blog.sqlora.com
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| | Here is an overview of some improvements to Online Statistics Gathering in Oracle Releases 19c-23ai
| | mauro-pagano.com
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| | Actually the title is likely incorrect, in the sense that I think histograms don't "go" once they come. Or at least I've never seen a case where consistently gathering statistics using method_opt "SIZE AUTO" makes a histogram go away sometime after the same syntax made it show up (while it's common for a histogram to...
| | sqlmaria.com
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| | In 11g, Oracle introduced the DBMS_STAT.DIFF_TABLE_STATS functions to help you compare two sets of statistics for a table along with all its dependent objects (indexes, columns, partitions). There ...
| | oracle-randolf.blogspot.com
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| When attempting to display only the first n rows of a result set that is ordered the Oracle optimizer offers special optimizations for these...