read committed

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TransactionsData Systems

More terms from this board

• abortroll back
• ACIDatomicity/consistency/isolation/durability
• BASEthe vague 'eventually consistent' opposite
• compare-and-set (CAS)write only if unchanged
• deadlockmutual lock-wait
• dirty read/writeseeing/overwriting uncommitted data
• lost updateone write clobbers another
• phantoma write changes another query's result
• predicate locka lock on a search condition
• read skewinconsistent multi-read
• serial execution / 2PL / SSIone thread / locks (pessimistic) / detect-at-commit (optimistic)
• serializabilityas-if one-at-a-time
• snapshot isolationread a consistent point-in-time (MVCC)
• transactiona group of ops that commit/abort together
• write skewread-same/write-different breaks an invariant