insert into table1 (col1, col2) values (select t1.col1, t2.col2 from oldtable1 t1, oldtable2 t2);. Very simple query. Cartesian join old table 1 ... ... <看更多>
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insert into table1 (col1, col2) values (select t1.col1, t2.col2 from oldtable1 t1, oldtable2 t2);. Very simple query. Cartesian join old table 1 ... ... <看更多>
When running a statement like: INSERT INTO t (a, b, c) SELECT x, y, z FROM u RETURNING *; The Oracle emulation would be: SET SERVEROUTPUT ON ... ... <看更多>
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It can make sense to insert data in order. There's lots of caveats to this though. If the data isn't frequently updated and if you're using certain types of ... ... <看更多>