On 8/11/2013 10:48 PM, ChingChang Hsiao wrote:
I have 2 similar tables. If_idx is the key. I am trying to synchronize the 
rows. Is there one sql statement to delete the extra row or 2 statements to get 
the result for the extra if_idx, 29 and then delete it from the table 
lldp_stats_tx_port_table_clear.

Is this what you are looking for?

delete from lldp_stats_tx_port_table_clear
where if_idx not in (select if_idx from lldp_stats_tx_port_table);

--
Igor Tandetnik

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