Database transaction schedule: Difference between revisions

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Strict: give example
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Any strict schedule is cascade-less, but not the converse. Strictness allows efficient recovery of databases from failure.
 
== Serializability Classclass Relationshipsrelationships ==
 
The following expressions illustrate the hierarchical (containment) relationships between [[serializability]] and [[Serializability#Correctness - recoverability|recoverability]] classes: