This should work INSERT INTO target_table (id, some_data) SELECT id, some_data FROM other_table o WHERE NOT EXISTS (SELECT 1 FROM target_table t1 WHERE o.id = t1.id);
Assuming column ID is the primary key in both tables. On Feb 1, 10:03 pm, gabjos <[email protected]> wrote: > I need to insert records that may or may not exist from one table to > another. What would be the syntax for doing this? > > Basically the tables would need to be compared. If the record in table > 2 does not exist in table 1 then it gets inserted. If the record does > exist then nothing is inserted. Can someone help me? -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/h2-database?hl=en.
