Database study
Introduction I’m reading Database Internal, and will write stuffs i have already learnt here: DB basic Four Properties SQL Databases would require ACID, but not all properties are stricly follow: ACID stands for Atomicity, Consistency, Isolation and Durability Atomicity means each transaction is atomic, if one of the query of the transaction fail it all fail all rollback to the state where transaction hasn’t started Isolation means the isolation between concurrent transactions (actually not concurrent if we not allow), here’re issues and level of isolation: ...