Gridview rowupdating objectdatasource Online dating chatting siti web italiano

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Pessimistic concurrency, on the other hand, implements policies to ensure that concurrency violations cannot occur.

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" One challenge with pessimistic concurrency control is knowing when a user is truly done editing the records.There are two flavors of concurrency control: optimistic and pessimistic.Optimistic assumes that concurrency violations are rare and that if such an error occurs that it's adequate to ask one of the conflicting parties to re-enter their information.To accommodate this, many reservation systems let you choose a seat and then lock it for a specified duration.If you complete your purchase process by the deadline, the seat is yours.

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