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Quiz 1-4 agregari

Authored by Lucian Lazar

Education

Professional Development

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Quiz 1-4 agregari
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La ce joburi din domeniul IT sunt utile cunostintele de baze de date?

Analist

Developer

Tester

Toate celelate variante

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care e cel mai mare numar care poate fi stocat de o coloana NUMBER(4)?

4

1000

9999

10000

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care clauza este obligatorie in comanda SELECT?

FROM

WHERE

GROUP BY

ORDER BY

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este functia cu care eliminam zecimalele?

TRUNC

LOWER

ROUND

UPPER

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce clauza folosim daca vrem sa extragem ce este comun in doua tabele?

JOIN

LEFT JOIN

CROSS JOIN

RIGHT JOIN

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care din urmatoarele sunt functii de agregare?

NVL

SUM

MOD

Toate celelate variante

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Singura functie de agregare care poate primi * ca argument este?

SUM

COUNT

MAX

AVG

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