OmniScriptum

Halloween Problem

Name: Halloween Problem
Brand: OmniScriptum
SKU: e5b0fe21b79f6b85d2499bcf1f283d59

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Bol

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95,35

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	95,35	Naar shop
	95,35	Naar shop
	136,00	Naar shop
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Beschrijving

Bol Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computing, the Halloween Problem refers to a phenomenon in databases in which an update operation causes a change in the physical location of a row, potentially allowing the row to be visited more than once during the operation. This could even cause an infinite loop in some cases where updates continually place the updated record ahead of the scan performing the update operation. The potential for this database error was first discovered by Don Chamberlin, Pat Selinger, and Morton Astrahan in 1976, on Halloween day while working on a query that was supposed to give a ten percent raise to every employee who earned less than $25,000.

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Beschrijving (1)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computing, the Halloween Problem refers to a phenomenon in databases in which an update operation causes a change in the physical location of a row, potentially allowing the row to be visited more than once during the operation. This could even cause an infinite loop in some cases where updates continually place the updated record ahead of the scan performing the update operation. The potential for this database error was first discovered by Don Chamberlin, Pat Selinger, and Morton Astrahan in 1976, on Halloween day while working on a query that was supposed to give a ten percent raise to every employee who earned less than $25,000.

Lees meer