One To One : (ICT) In database design, this indicates a relationship between two tables in which a tuple (row) in the first table can be related to only one tuple (row) in the second table
Quality Information Agency QIA, National Teaching and Learning Change Programme, Information and Communication Technology (ICT), Dictionary of ICT terms, UK 2015. http://resources4ict.excellencegateway.org.uk/sear ch.php?show=20&letter=a, (Info and Commun Tech - Amer) {245}