Marea recapitulare

Marea recapitulare

University

10 Qs

quiz-placeholder

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Marea recapitulare

Marea recapitulare

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Ioana Nagit

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un bloc PL/SQL este compus din pana la 3 sectiuni, dupa cum urmeaza:

DECLARE (mandatory)

BEGIN (mandatory)

EXCEPTION (optional)

DECLARE (optional)

BEGIN (mandatory)

EXCEPTION (optional)

DECLARE (mandatory)

BEGIN (mandatory)

EXCEPTION (mandatory)

DECLARE (mandatory)

BEGIN (optional)

EXCEPTION (optional)

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

O exceptie PL/SQL este:

declarata prin cuvantul cheie EXCEPTION

declarat si gestionat intotdeauna intr-un bloc PL/SQL

un identificator asociat unei conditii anormale aparute in timpul executiei unui bloc PL/SQL

asociat unei conditii complet normale aparute in timpul executiei unui bloc PL/SQL

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Secventa

r c%rowtype

fetch c into r

exit when c%notfound

dbms_output.put_line('name= ' || c.cust_last_name)

afiseaza

numele unui client

numele ultimului client

mesaj de eroare, variabila cursor nefiind folosita corect

nu afiseaza nimic

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Ce tipuri de exceptii trebuie invocate in mod explicit?

exceptii definite de utilizator

exceptii predefinite

exceptii non-predefinite ale serverului Oracle

toate exceptiile trebuie invocate explicit

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

In secventa

update angajati

set salaries = salariul*procent/100

where id_angajat =20;

commit; :

COMMIT poate aparea in bloc, neavand efect si asupra comenzilor din afara blocului 

blocul realizeaza o operatie de actualizare

UPDATE e permisa intr-un bloc pl/sql

COMMIT poate aparea in bloc, dar este independenta de acesta, avand efect si asupra comenzilor din afara blocului 

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Secventa

for i in v_tab.first..v_tab.last loop

dbms_output.put_line(v_tab(i).last_name|| ' works in department: '||v_tab(i).department_id);

end loop;

dbms_output.put_line(v_tab.count);

incarca datele in tabloul indexat

utilizeaza tipuri de date colectie

realizeaza extragerea din tabloul indexat

este eronata

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Clauza FOR UPDATE:

se adauga pentru a bloca liniile afectate atunci cand cursorul este inchis

nu exista in PL/SQL

se adauga pentru a bloca liniile afectate atunci cand cursorul este deschis

impune deblocarea liniilor unei tabele anume

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