julia> t = table(Int[], Int[], names=[:x, :y])
Table with 0 rows, 2 columns:
x y
────
julia> append!(rows(t), (x=[1,2,3], y=[4,5,6]));
julia> t
Table with 3 rows, 2 columns:
x y
────
1 4
2 5
3 6
WARNING: JuliaDB doesn’t check that the sorting of your primary key(s) are still valid here. If you have a primary key, use merge with two tables