Clock
Test duration:
60
min
Notes
No. of questions:
32
Tie
Level of experience:
Entry/Mid/Expert

Oracle DBA Online Test

iMocha’s Oracle DBA test enables recruiters and hiring managers to hire job-fit candidate within a short period and make unbiased decisions. Our test is useful for hiring Oracle DBA, Oracle DB Admin, Oracle DBA Consultant, and Oracle DBA Associate. This Oracle DBA online test reduces hiring time by 45% and increases interview to selection ratio by 62%.

19756
+
Candidates
Assessed
127
+
Organizations Served
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About

Oracle Database Online Test

Oracle database is designed for information and applications management. Oracle DBA works on installation, updating, configuration and backup of Oracle server software. DBA also takes care of the database design, implementation, and server security. Oracle DBA  is responsible for maintaining  sound backup and recovery policies for  monitoring. Oracle DBA online test helps recruiters and hiring managers to assess database administrative skills of the candidate. iMocha’s online Oracle DBA test is created and validated by experienced Subject Matter Experts (SME) to assess and hire Oracle DBA as per industry standards.

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How it works

Test Summary

<p lang="EN-US" paraeid="{73448e64-684d-4bfe-ab2e-a1a4761280d6}{212}" paraid="254737035" xml:lang="EN-US"><strong>Oracle DBA test helps you to screen  candidates who possess skills as follows:&nbsp;</strong></p>

<ul>

<li lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{138}" paraid="437859942" xml:lang="EN-US">Ability to create and maintain databases&nbsp;</li>

<li lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{145}" paraid="778897964" xml:lang="EN-US">Ability to plan backup and recovery of the Oracle database&nbsp;</li>

<li lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{152}" paraid="1182689599" xml:lang="EN-US">Excellent in monitoring database and server performance and capacity planning&nbsp;</li>

<li lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{159}" paraid="123539490" xml:lang="EN-US">Good working knowledge of database connectivity and security&nbsp;</li>

<li lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{166}" paraid="2122090208" xml:lang="EN-US"> Hands-on experience in PL/SQL coding and stored procedures development&nbsp;</li>

</ul>

<p lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{180}" paraid="1043136514" xml:lang="EN-US">iMocha&rsquo;s powerful reporting &amp; intelligent analytics will help you overview candidate&rsquo;s performance in each section within a glance. Candidate feedback module will ensure candidates are having excellent experience with iMocha.&nbsp;</p>

<p lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{194}" paraid="1797362439" xml:lang="EN-US">Oracle online test for database administration contains latest &amp; quality set of questions crafted by industry experts to cope with recent developments in technology. Moreover, you can add your own questions as per the job requirement. Oracle DBA skills test will evaluate a candidate&#39;s practical knowledge and will identify whether the candidate is ready to be employed. Oracle database online test can be taken by the candidate from anywhere in the comfort of their time zone.&nbsp;</p>

<p lang="EN-US" paraeid="{0c1e87ab-1289-4575-9107-48d6e27d895a}{208}" paraid="671991103" xml:lang="EN-US">Oracle DBA pre-employment test may contain MCQ&#39;s (Multiple Choice Questions), MAQ&#39;s (Multiple Answer Questions), Fill in the Blank, Descriptive, Whiteboard Questions, Audio / Video Questions, True or False.&nbsp;</p>

Test Duration
60
No. of Questions
32
Level of Expertise
Entry/Mid/Expert
Useful for hiring
  • Oracle DBA
  • Oracle DB Admin
  • Oracle DBA Consultant
  • Oracle DBA Associate
Topics Covered
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Oracle Basics

Our Oracle DBA online test helps recruiters and hiring managers to evaluate candidate’s understanding about basic concepts of Oracle database

SQL Performance Analyzer

iMocha’s Oracle DBA pre-employment test helps recruiters and hiring managers to evaluate candidate’s understanding about SQL performance analyzer which is used to monitor SQL servers and analyze database objects to improve performance of database
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Oracle Replication

Our Oracle DBA skills test evaluates candidate’s understanding about oracle replication which is used to create and synchronize data across multiple copies of an Oracle database
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Oracle Administration

This test assesses candidate’s knowledge about Oracle Database Administration which organizes and stores data quickly and effectively using Oracle&
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Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Option

Topic:

Difficulty:

Easy

Question:

Which one of the following is a CORRECT way to turn ON replication?


Options

  • DBMS_REPUTIL_REPLICATION=ON<br />&nbsp;
  • DBMS_REPUTIL.REPLICATION=ON<br />&nbsp;
  • DBMS_REPUTIL.REPLICATION_ON<br />&nbsp;
  • None of the mentioned<br />&nbsp;
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FAQ
What is Data Science?
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