validity checking

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validity checking

Routines in a data entry program that test the input for correct and reasonable conditions, such as account numbers falling within a range, numeric data being all digits, dates having a valid month, day and year, etc. Checking the spelling of proper names, if possible, can also be part of validity checking. See validate for a comparison of "validate" and "verify."

Errors Can Be Critical
It may seem like a dull part of the IT world, but data entry validation can be a very critical issue when there is insufficient validity checking of the input. In late 2001, a Japanese stockbroker erroneously placed a sell order for 610,000 shares of stock at 16 yen, when it should have been for 16 shares at 610,000 yen. Even though the error was caught two minutes after the order was placed, the broker's liability was estimated to be up to $100 million dollars.

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No references found			Trigger validity checking at any time such as upon display, before save, or when setting properties. IdeaBlade Announces DevForce 3.5 with Validation Engine by Business Wire			Valerii Vladimirovich Popenchenko Valeriia Anatolevna Gerasimova Valeriia Barsova Valeriia Gerasimova Valeriia Vladimirovna Barsova Valeriu Emil Galan Valerius Antias Valerius Flaccus Setinus Balbus Valerius Licinianus Licinius Valerius Maximus Valery, Paul Valéry, Paul valeta valetudinarian Valga Valhalla Vali of Aurangabad, Shams-Ud-Din Vali Ulla Valia Kotik Valiant, Prince valid valid program validate validation validity validity check validity checking Validol Valier Max Valiesar Treaty of 1658 Valiev, Kamil Valiev, Kamil Akhmetovich Valikhanov, Chokan Valikhanov, Chokan Chingisovich Valine Valiuškis, Gediminas Stanislovo Valium Valiuskis, Gediminas Stanislovo Valjean, Jean Valjevo Valk, Sigizmund Valk, Sigizmund Natanovich Valka Valki Valkumei Valkyrie Valkyries Valla, Lorenzo Vallabhai Patel Valladolid Vallak, Peet Vallander, Sergei			Validation System Validation System Segment Validation test Validation test Validation Test Plan Validation Test Suite Validation Testing validation therapy Validation Working Group Validation, Estimation and Editing Validation, Screening and Brokering Validation, Verification and Testing validations validations validations validations Validator validatory validification validities validities validities validities validities validity validity validity validity validity validity check validity checking Validity Checks Validity Indicator Profile Validity Interval Validity Interval Analysis Validity of human races Validity of human races Validity of human races Validity of human races Validity of will validity proceedings validly validly validly validly validness validness validness validness Valido fino a revoca Validol Validus Valier Max Valiesar Treaty of 1658 Valiev, Kamil Valiev, Kamil Akhmetovich Valievo Valikhanov Valikhanov, Chokan Valikhanov, Chokan Chingisovich Valinch

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