You can change the principal standby of the primary without first stopping HADR on the primary.

The target list can contain IP addresses that are either IPv4, or IPv6, or a combination of the two.

You can remove the primarydatabase from the target list of a standby although the standby is connected to the primary.

You cannot dynamically update the HADR_TARGET_LIST configuration parameter for a standby unless you have enabled the HADR read standby feature.

You cannot remove a standby from the list if it is connected to the primary. To disconnect a standby, simply deactivate it. The you can remove it from the primary’s target list.

REORG TABLE sales AND INDEXES ALL;

RUNSTATS ON TABLE sales AND INDEXES ALL;

REORG TABLE sales INPLACE;

REORG INDEXES ALL FOR TABLE sales;

RUNSTATS ON TABLE salesAND INDEXES ALL;

RUNSTATS ON TABLE sales AND INDEXES ALL;

REORGCHK ON TABLE sales;

RUNSTATS ON TABLE sales INPLACE AND INDEXES ALL;

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