Скачать или смотреть How to Delete Duplicate Records in MS Access

We all eventually end up working on some table that someone designed that has no primary key, and has tons of duplicates. Luckily, we can use a few powerful techniques to either get unique rows out of that table (1 of 2: extract), or we can use some coding techniques to use the power of sorting with the ability to look at previous and current rows to identify and delete problem rows (2 of 2: delete). The two techniques in this video are very powerful for data cleaning and wrangling, and will definitely help you in cases where uniqueness is a problem in the data.

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