Quiz 14 Creare

Quiz 14 Creare

Professional Development

10 Qs

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Quiz 14 Creare

Quiz 14 Creare

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

Lucian Lazar

Used 9+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce caracteristici are o cheie primara?

Identifica unic fiecare inregistrare

Nu suporta null

Poate fi setata pe o coloana sau pe o combinatie din mai multe coloane

Toate celelate variante

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce caracteristici are o cheie straina?

Identifica unic fiecare inregistrare

Nu suporta null

Poate fi setata pe o coloana sau pe o combinatie din mai multe coloane

Referentiaza o cheie primara sau cheie cu valori unice din alta tabela

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care sunt caracteristicile metadatelor?

Sunt date despre date

Sunt date despre obiectele din baza de date

Sunt stocate in dictionarul bazei de date

Toate celelate variante

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ce view Oracle gasim informatii despre tabelele userului care este conectat?

USER_TABLES

TABLES

MY_TABLES

DATABASE_TABLES

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ce view MySQL gasim informatii despre coloanele tabelelor din baza de date?

USER_COLUMNS

USER_TAB_COLS

COLUMNS

TABLE_COLUMNS

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cum se numeste schema care tine informatii despre tabele in MySQL, SQL Server si Postgres?

INFORMATION_SCHEMA

METADATA

USER_TABLES

DATABASE_INFO

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este comanda cu care vedem toate colectiile definite in Mongo?

DB

SHOW COLLECTIONS

FIND COLLECTIONS

FIND

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