#28 — Combine Two Tables With Different Column Headers

Problem description & analysis:

Here are two Excel "named ranges", which are Events1 and Events2 respectively. Starting from the 2nd row, both can be regarded as a table with column headers and some of their headers are the same.

Task: Reference names of the two "named ranges" and combine the two tables; display a field that does not exist under the current range name as empty.

Solution:

Use SPL XLL to do this:

=spl("=?1.to(3,).($[Events1]|~.m(1,2,3,0,4))|?2.to(3,).($[Events2]|~.m(1,0,0,2,3))",Events1,Events2)

As shown in the picture below:

Explanation:

to(3,) function gets members from the 3rd to the last. m()function gets multiple members according to their positions; 0 means null. ~ is the current member, and $[] represents a string.

Comments

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