SQL: INSERT by copying values of existing columns of a table - Insert in combination of Select

For example, you have a table A, which has columns Col1, Col2, ...........Col20. You now want to copy the values of Col2, Col5, Col7 to a new table B for some reason such as allow more people to access the data. Table B has three columns: Field1, Field2, Field3.

This is the SQL to do it.

      INSERT INTO B (Field1, Field2, Field3)
      SELECT Col2, Col5, Col7
      FROM A
      WHERE Col1 > to_date("11/12/2000", "mm/dd/yyyy");

References

1. SQL: INSERT by copying values from existing records for some columns and using other values for other columns - Insert in combination of Select

2. SQL: INSERT by copying values from two tables - Insert in combination of Select


                        
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