I have two table with the same columns in different databases. Both table have records.i want to insert the records of table2 in table1 but i want to ignore those records which are already in table 1. As well i want to store all ignored records in a new table. Example:
create table dest (id number primary key, col1 varchar2(10));
create table src (id number, col1 varchar2(10));
insert into src values(1,'ABC'); insert into src values(2,'GHB'); insert into src values(3,'DUP'); insert into src values(3,'DUP');
merge into dest using (select id,col1 from src) src on(dest.id=src.id) when not matched then insert values(src.id,src.col1) when matched then update set dest.col1=src.col1;
Error report - SQL Error: ORA-00001: unique constraint (SCOTT.SYS_C0010807) violated 00001. 00000 - "unique constraint (%s.%s) violated" *Cause: An UPDATE or INSERT statement attempted to insert a duplicate key. For Trusted Oracle configured in DBMS MAC mode, you may see this message if a duplicate entry exists at a different level. *Action: Either remove the unique restriction or do not insert the key.
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