Technical computing term for the order in which characters or strings are sorted, often defined by a collation.
Set the database collating sequence to UTF-8.
照合 means 'collation' or 'verification' in general; 照合順序 specifically refers to the ordering sequence used in sorting.
ソート順 is a more general term for 'sort order', while 照合順序 is the technical term for collating sequence in computing contexts.
Compound of 照合 (collation) and 順序 (order, sequence).