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Python and SQL Online Test

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The Python and SQL online test assesses candidates' knowledge of programming in the Python language as well as the ability to use SQL.

It's an ideal test for pre-employment screening. A good Python developer needs to not only solve problems using Python but also write and analyze SQL queries used for communication with the database.

This online test requires candidates to solve coding problems in Python and to write SQL queries that extract, combine, and manipulate data.

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Free Sample Questions for Python and SQL Test

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Students

3min
  -  
Easy  
  -  
CODE

SQL Aggregation Select Public

Given the following data definition, write a query that returns the number of students whose first name is John. String comparisons should be case sensitive.

TABLE students
   id INTEGER PRIMARY KEY,
   firstName VARCHAR(30) NOT NULL,
   lastName VARCHAR(30) NOT NULL

Enrollment

5min
  -  
Easy  
  -  
CODE

SQL Conditions Update Public

A table containing the students enrolled in a yearly course has incorrect data in records with ids between 20 and 100 (inclusive).

TABLE enrollments
  id INTEGER NOT NULL PRIMARY KEY
  year INTEGER NOT NULL
  studentId INTEGER NOT NULL

Write a query that updates the field 'year' of every faulty record to 2015.

File Owners

10min
  -  
Easy  
  -  
CODE

Python Dictionary Public

Implement a group_by_owners function that:

  • Accepts a dictionary containing the file owner name for each file name.
  • Returns a dictionary containing a list of file names for each owner name, in any order.

For example, for dictionary {'Input.txt': 'Randy', 'Code.py': 'Stan', 'Output.txt': 'Randy'} the group_by_owners function should return {'Randy': ['Input.txt', 'Output.txt'], 'Stan': ['Code.py']}.

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Premium Questions for Python and SQL Test

TestDome offers a premium questions library with 1000+ unique, hand-crafted questions whose answers can’t be found online. If you spot an answer somewhere online, we’ll give you a refund.

Covered Skills

Testing of these skills is covered in this pre-built test because they’re closely related. On our paid plan, you can easily create your own custom multi-skill tests.

Python Bug fixing Language SQL Conditions Views List comprehension Strings Arithmetic Subqueries Update Exceptions Monkey patching Constraints Create table Database schema Select Create index Performance tuning Alter table Dictionary Linked list Aggregation Ordering Left join Indexes Union Group by Insert Joins Serialization XML Regex JSON Sorting Inheritance OOP Delete SQL CASE Algorithmic thinking Tuples Lists Stream Queue Named tuple Iteration Integer division Set Right join Database normalization CTE Graphs Dynamic Objects Multithreading Synchronization Random Tree Method overriding
Recommended Job Roles

These are the job roles that we recommend for the Python and SQL online test.

Back-End Developer
Python Developer
SQL Developer
Web Developer

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