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Java Database Interface (JDBI) 3 Online Test
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Test duration:
20
min
Notes
No. of questions:
10
Tie
Level of experience:

JDBI 3 Test

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About

Java Database Interface (JDBI) 3 Online Test

The JDBI library provides convenient, idiomatic access to relational data in Java. JDBI offers several other modules that enhance the core API with additional features. JDBI is built on top of JDBC. If the database has a JDBI driver, you can use JDBI. JDBI helps to improve JDBC’s rough interface and provides a more natural Java database interface that is easy to bind to your domain data types.


Our JDBI 3 online test is created & validated by experienced subject matter experts (SMEs) to assess JDBI skills of candidates as per industry standards. JDBI 3 assessment test helps recruiters and hiring managers evaluate candidates’ expertise in the field of JDBI.


The Java Database Interface v3 test helps to screen the candidates who possess the following traits: 

  • Strong Experience in Core Java, Spring, Maven
  • Experience in JDBI/Hibernate
  • Experience in Maven-based application development
  • The online JDBI 3 test enables employers and recruiters to identify potential prospects by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience rather than theoretical knowledge.


Our JDBI 3 skills test reports will give a detailed analysis of each candidate and provide analytical data, which saves the recruiter’s time.


The JDBI 3 test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.  

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Test Summary

<p><br />

The JDBI 3 test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.&nbsp;&nbsp;<br clear="all" />

&nbsp;</p>

Test Duration
20
No. of Questions
10
Level of Expertise
Useful for hiring
  • Java Developer
  • SQL Developer
  • Senior Java Architect
Topics Covered
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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:

DBI

Difficulty:

Mediam

Question:

In order to proceed with JDBI, you first need to construct a DBI instance. Which of the following method of instance construction will you use to construct the instance in case where you want connection pooling?


Options

  • Passing a JDBC DataSource instance to the constructor
  • Passing a combination of a JDBC url, properties, and/or a username and password
  • Using a JDBI specific interface
  • None of the mentioned
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