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In computer science, in the field of databases, write–write conflict, also known as overwriting uncommitted data is a computational anomaly associated with interleaved execution of transactions.

Given a schedule S

S = W W C o m . W C o m . ] {\displaystyle S={\begin{bmatrix}T1&T2\\W&\\&W\\W&\\Com.&\\&W\\&Com.\end{bmatrix}}}

note that there is no read in this schedule. The writes are called blind writes.

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