SLR23 – Databases AQA A’Level SLR23 Databases AQA A’Level SLR23 Normalisation to 3NF AQA A’Level SLR23 SQL AQA A’Level SLR23 Transaction processing Also in this topic... SLR04 – Data structures SLR05 – Algorithms SLR09 – A model of computation SLR15 – Programming languages & translators SLR22 – TCP IP & protocols