
Datu bāze
Authored by Mudīte Ramute
Computers
9th - 12th Grade
Used 1+ times

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26 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Kas nav datu bāze:
grāmata
bibliotēkas grāmatu katalogs
Latvijas iedzīvotāju reģistrs
aviobiļešu rezervēšanas sistēma
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Datu bāzes tabulu izmanto, lai:
noformētu datu bāzes pārskatus
veidotu diagrammas ar datu bāzes datiem
attēlotu datu bāzes datus
veiktu aprēķinus ar datu bāzes datiem
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Datu bāzes lauks veido:
datu tabulas nosaukumu
datu tabulas rindu
datu tabulas kolonnu
datu tabulas primāro atslēgu
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Kas ir datu bāzes ieraksts?
datu tabulas šūna
datu tabulas vārds
datu tabulas kolonna
datu tabulas rinda
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Kas ir primārā atslēga?
ieraksta kārtas numurs
ieraksta viennozīmīgs identifikators
ieraksta kodēšanas atslēga
ieraksta svarīguma rādītājs
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Indekss ir:
ieraksta kārtas numurs
lauka viennozīmīgs identifikators
ieraksta kodēšanas atslēga
parametrs, kas paātrina datu meklēšanu un kārtošanu datu laukā
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Attiecības (saistības) starp tabulām lieto, lai:
norādītu, ka dati no vienas tabulas var tikt pārvietoti uz otru tabulu
norādītu, ka dati no vienas tabulas var tikt kopēti uz otru tabulu
saistītajās tabulās paātrinātu datu meklēšanu un kārtošanu
izmantotu tabulā datus no piesaistītās tabulas
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