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Homochirality - Wikipedia, The Free Encyclopedia
Homochirality
Homochirality describes a property of some materials made up of chiral units. A substance is said to be homochiral if all the constituent units are molecules of the same chiral form (enantiomer). In biology homochirality is a common property of amino acids and sugars. The…
The Transaction Manifesto: A Direction For Nosql Database Technology
Database transaction
A transaction is a set of database reads and writes that is handled as a unit with a few crucial properties. First, all reads in the transaction see the same snapshot of the database (e.g. do not see changes to the data resulting from other transactions executing concurrently)…