Quiz 12 Postgres

Quiz 12 Postgres

Professional Development

10 Qs

quiz-placeholder

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Quiz 12 Postgres

Quiz 12 Postgres

Assessment

Quiz

Computers

Professional Development

Easy

Created by

Lucian Lazar

Used 11+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este tipul de data pentru numere in Postgres?

NUMBER

NUMERIC

DOUBLE

SHORT

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este tipul de data pentru stringuri in Postgres?

VARCHAR

VARCHAR2

CHAR

STRING

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cand este obligatoriu sa folosim alias pentru subquery in Postgres?

In clauza FROM

In clauza WHERE

In clauza HAVING

Toate celelate variante

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cum extragem ziua din saptamana in Postgres

TO_CHAR

TO_DATE

EXTRACT (DOW FROM)

EXTRACT ('DOW' FROM)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este functia prin care afisam in Postgres anumite valori in loc de NULL?

TO_CHAR

NVL

ISNULL

COALESCE

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce clauza se foloseste in Postgres pentru a extrage doar primele inregistrari intr-o interogare?

FETCH FIRST ROWS ONLY

TOP

LIMIT

ROWNUM

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce functie analitica folosim pentru a afisa rangul inregistrarilor fara pauze?

RANK

DENSE_RANK

LAG

LEAD

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