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
Our sample questions are free for companies to use on a trial plan. See more about our premium questions for paid plans below.
Students
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
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
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.
Question Names
These premium questions are included in this pre-built test and can be added to any multi-skill test. Please sign up for a paid plan to view the questions in detail.
Document Store, Roads, Is Alpha, Word Count, Shipping, Ingredients, Read First Line, Read Write Execute, Log Patch, ATM Locations, Authors, Autocomplete, Ban Users, Bank Branches, Category Tree, Chain Link, Cheapest Product, Countries, Developers, Employee Manager, Hospital Patients, Index Performance, Menu Items, Merge Stock Index, Movies, Movies Live, Projects, Rectangles, Restaurant Menu, Retirees, Sales, SMS Messages, Student Activities, Tasks, Transactions, Youngest Child, Log Parser, Paragraph, Products, Username, Language Teacher, Manager Sales, Delete Orders, Average Salary, Movie Genres, Auto Show, Poll, Book Sale, Moving Total, Reward Points, Greeter, Tuple Slice, Unique Product, Internal Nodes, Paper Strip, Kilometer Converter, Needle, Department Report, Veterinarian, Medical Record, Segment, Date Transform, Numbers to Text, Cargo Ship, Unique Numbers, Max Sum, Hobbies, Crop Ratio, Student Rankings, Welfare Organization, Student Max ScoreCovered 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.
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