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Crearea interogărilor
Realizat: Dubiţa Olesea, profesor de informatică,
Interogarea – este un obiect al Microsoft Access, cu ajutorul căruia din
baza de date se extrag înregistrări, care corespund condiţiilor indicate.
Interogarea ne permite de a primi informaţie-răspuns la aşa întrebări ca
“Care beneficiari au înaintat comenzi în luna trecută ?” sau “Câtă marfă
este la fiecare categorie de mărfuri ?”.
Cu ajutorul interogărilor se poate de vizualizat, analizat şi modificat
datele din câteva tabele. De asemenea ele se utilizează în calitate de
sursă de date pentru formulare şi rapoarte.
Pentru a crea o interogare este necesar de inclus tabelele şi câmpurile
necesare în fereastra interogării .
Fereastra interogării – este prezentarea grafică a interogării conform
exemplului model (Query By Example, QBE). Datorită realizării
grafice a acestui instrument dirijarea ( copierea, transferarea,
selectarea elementelor tabelei şi a..) obiectelor poate fi efectuată cu
ajutorul şoricelului
Crearea interogării de selectare fără utilizarea asistentului
În fereastra bazei de date treceţi la eticheta Query (Interogări) şi apăsaţi butonul Create (Creare)
În fereastra de dialog NewQuery (Interogare nouă) selectaţi comanda Design
(Proiectare) şi apăsaţi butonul OK .
În fereastra de dialog AddTable (Adăugarea tabelei) treceţi la eticheta, ce include
obiectele care conţin datele necesare.
Pentru adăugarea obiectelor în interogare faceţi dublu clic cu butonul
şoricelului pe numele fiecăreia, şi apoi apăsaţi butonul Close (Închis) .
La elaborarea sau modificarea interogării este necesar de avut în vedere unele
particularităţi:
Pentru vizualizarea setului de
rezultate ale interogării apăsaţi
butonul View (Vizualizare ) din bara
cu instrumente şi selectaţi modul.
DataSheet (foaie de date).
Pentru salvarea interogării apăsaţi
butonul Save (Salvaţi) din bara cu
instrumente. Întroduceţi numele, în
corespundere cu prevederile despre
numele obiectelor Microsoft
Access, şi apăsaţi butonul OK .
Crearea sau modificarea interogării
Crearea interogărilor acces clasa 12 .ppt

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Crearea interogărilor acces clasa 12 .ppt

  • 1. Crearea interogărilor Realizat: Dubiţa Olesea, profesor de informatică,
  • 2. Interogarea – este un obiect al Microsoft Access, cu ajutorul căruia din baza de date se extrag înregistrări, care corespund condiţiilor indicate. Interogarea ne permite de a primi informaţie-răspuns la aşa întrebări ca “Care beneficiari au înaintat comenzi în luna trecută ?” sau “Câtă marfă este la fiecare categorie de mărfuri ?”. Cu ajutorul interogărilor se poate de vizualizat, analizat şi modificat datele din câteva tabele. De asemenea ele se utilizează în calitate de sursă de date pentru formulare şi rapoarte. Pentru a crea o interogare este necesar de inclus tabelele şi câmpurile necesare în fereastra interogării . Fereastra interogării – este prezentarea grafică a interogării conform exemplului model (Query By Example, QBE). Datorită realizării grafice a acestui instrument dirijarea ( copierea, transferarea, selectarea elementelor tabelei şi a..) obiectelor poate fi efectuată cu ajutorul şoricelului
  • 3.
  • 4. Crearea interogării de selectare fără utilizarea asistentului În fereastra bazei de date treceţi la eticheta Query (Interogări) şi apăsaţi butonul Create (Creare) În fereastra de dialog NewQuery (Interogare nouă) selectaţi comanda Design (Proiectare) şi apăsaţi butonul OK .
  • 5.
  • 6. În fereastra de dialog AddTable (Adăugarea tabelei) treceţi la eticheta, ce include obiectele care conţin datele necesare. Pentru adăugarea obiectelor în interogare faceţi dublu clic cu butonul şoricelului pe numele fiecăreia, şi apoi apăsaţi butonul Close (Închis) . La elaborarea sau modificarea interogării este necesar de avut în vedere unele particularităţi:
  • 7. Pentru vizualizarea setului de rezultate ale interogării apăsaţi butonul View (Vizualizare ) din bara cu instrumente şi selectaţi modul. DataSheet (foaie de date). Pentru salvarea interogării apăsaţi butonul Save (Salvaţi) din bara cu instrumente. Întroduceţi numele, în corespundere cu prevederile despre numele obiectelor Microsoft Access, şi apăsaţi butonul OK .
  • 8. Crearea sau modificarea interogării