Joins

Table Joins

Table joins are accomplished through the join function.

Appending Tables with the Same Columns

The merge function will combine tables while maintaining the sorting of the primary key(s).

julia> t1 = table(1:5, rand(5); pkey=1)Table with 5 rows, 2 columns:
1  2
───────────
1  0.358164
2  0.357457
3  0.4553
4  0.507438
5  0.137757
julia> t2 = table(6:10, rand(5); pkey=1)Table with 5 rows, 2 columns:
1   2
────────────
6   0.384686
7   0.122513
8   0.966856
9   0.970202
10  0.242615
julia> merge(t1, t2)Table with 10 rows, 2 columns:
1   2
────────────
1   0.358164
2   0.357457
3   0.4553
4   0.507438
5   0.137757
6   0.384686
7   0.122513
8   0.966856
9   0.970202
10  0.242615