merge two csv files with a key

I have two csv files. One file has date and temperature. Anothe file has date and rainfall. I want to combine two files using date as a key. Please advise.

Answer 1

[Anish Walia]

Assuming files are names file1 and file 2

table1 = readtable('file1.csv');
table2 = readtable('file2.csv');
%variable name of the column to use as key to join should be same in both tables (data in your case) 
mergedTable = join(table1,table2);
% mergedTable contains the combined table
writetable(mergedTable,'MergedTables.csv');

[alpedhuez]

Let me work on it.