VALIDAREA DATELOR IN PASCAL ...tart1tpnindent720tpnhang Itpntxtb SItpntxta SSIttpnseclvl6tpnlcltrtpnqctpnstart1tpnindent720tp nhang Itpntxtb SItpntxta SSIttpnseclvl7tpnlcrmtpnqctpnstart1tpnindent720tpn hang Itpntxtb SItpntxta SSIttpnseclvl8tpnlcltrtpnqctpnstart1tpnindent720tp nhang Itpntxtb SItpntxta SSIttpnseclvl9tpnlcrmtpnqctpnstart1tpnindent720tpn hang Itpntxtb SItpntxta SStpardtplain tltrpartqc tli0tri0tidctlpartnooverflotfaromantrin0tlin0titap 0 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tf37tfs20tlang1033tlangfe1033tcgridtlangnp1033tlan gfenp1033 Itrtlchtfcs1 taf0 tltrchtfcs0 tbtf0tfs36tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 VALIDAREA DATELOR IN PASCALtpar Stpard tltrpartql tli0tri0tidctlpartnooverflotfaromantrin0tlin0titap 0 Itrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs36tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 tpar tpar Stpard tltrpartql tli708tri0tidctlpartnooverflotfaromantrin0tlin708t itap0 Itrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Prin validare intelegem operatia de verificare a corectitudinii datelor. O data se considera corecta daca respecta o serie de conditii aritmetice sau logice prestabilite. Validarea datelor presupune precizarea urmatoarelor elementetpar Stpard tltrpartql tfi-360tli1485tri0tidctlparttx1485tnooverflotfarom antrin0tlin1485titap0 Itrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Conditiile de verificaretpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Actiunile care trebuie executate cand data este corecta sau incorectatpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Modul de semnalare a erorilor si structura mesajelortpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Modul de corectie a erorilortpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Modul de reintroducere a articolelor dupa corectia acestoratpar Stpard tltrpartql tli720tri0tidctlpartnooverflotfaromantrin0tlin720t itap0 Itrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Validarea se poate face la nivel de camp un camp respecta propriile sale conditii, la nivel de articol respectarea unor relatii intre campurile aceluiasi articol, la nivelul mai multor articole respectarea unor relatii intre campurile unor articole diferite, completitudinea pe pachete de documente, corectitudinea unor totaluri pe pachete sau la nivel de fisier completitudine, corectitudinea unor totaluri pe fisier.tpar Cele mai importante validari la nivel de campuri si la nivel de articol se refera latpar Stpard tltrpartql tfi-360tli1485tri0tidctlparttx1485tnooverflotfarom antrin0tlin1485titap0 Itrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Existenta tpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Naturatpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Lungimetpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Semntpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Apartenenta la o multime sau lista de valoritpar SItrtlchtfcs1 taf0 tltrchtfcs0 tf10tfs24tlang1048tlangfe1033tlangnp1048tinsrsid12 998459 td8ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Respectarea unor corelatii aritmetice sau logice intre campuritpar Stpard tltrpartql tli720tri0tidctlpartnooverflotfaromantrin0tlin720t itap0 Itrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 Daca o data nu indeplineste toate conditiile stabilite, se considera eroare si se solicita reintroducerea ei. Introducerea se poate repeta, fie pana se obtine o data corecta, fie pana cand se depaseste un numar prestabilit de reintroduceri.tpar Cand un camp este corect, se trece la inroducerea si validarea urmatorului camp. Cand articolul este corect, se scrie in suportul extern si se trece la urmatorul articol.tpar Figura urmatoare prezinta o secventa de principiu de validare a unui camp dupa mai multe conditiitpar -----------------------------------------------tpa r Pentru a construi structura repetitiva, necesara reluarii introducerii campului, se utilizeaza o variabila SItrtlchtfcs1 taf0 tltrchtfcs0 titf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 semafor SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 booleana SItrtlchtfcs1 taf0 tltrchtfcs0 tbtf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 ERSItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 , care ia valoarea SItrtlchtfcs1 taf0 tltrchtfcs0 tbtf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 1SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 , daca a fost eroare nu s-a indeplinit un criteriu de validare din multimea SItrtlchtfcs1 taf0 tltrchtfcs0 tbtf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 C1, C2, t85, CnSItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 , sau SItrtlchtfcs1 taf0 tltrchtfcs0 tbtf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 0SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 , in caz contrar.tpar tpar Stpard tltrpartql tli0tri0tidctlpartnooverflotfaromantrin0tlin0titap 0 Itrtlchtfcs1 taf0 tltrchtfcs0 tbtf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 1.VALIDAREA EXISTENTEItpar Stpard tltrpartql tli720tri0tidctlpartnooverflotfaromantrin0tlin720t itap0 Itrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 tpar O data se considera SItrtlchtfcs1 taf0 tltrchtfcs0 titf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid1 2998459 existenta SItrtlchtfcs1 taf0 tltrchtfcs0 tf0tfs24tlang1048tlangfe1033tlangnp1048tinsrsid129 98459 daca in campul corespunzator ei nu se introduce doar SItrtlchtfcs1 ta... 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