Casting
Cast the bill_length_mm column to VARCHAR:
SELECT CAST(bill_length_mm AS VARCHAR)
FROM penguins;
Cast the body_mass_g column to DOUBLE:
SELECT body_mass_g::DOUBLE
FROM penguins;
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Cast the bill_length_mm column to VARCHAR:
SELECT CAST(bill_length_mm AS VARCHAR)
FROM penguins;
Cast the body_mass_g column to DOUBLE:
SELECT body_mass_g::DOUBLE
FROM penguins;