PHP, MySQL, and SQL Online Test
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The PHP, MySQL and SQL online test assesses candidates' knowledge of programming in the PHP language, as well as their ability to use MySQL and SQL.
It's an ideal test for pre-employment screening. A good PHP developer, who is working exclusively on an MySQL server database layer, needs to not only solve problems using PHP, but also to write and analyze SQL queries that are used for communication with the database and to use MySQL-specific features to interface efficiently with a database.
This online test requires candidates to solve coding problems in PHP, answer multiple-choice questions about MySQL and write SQL queries that extract, combine, and manipulate data.
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Free Sample Questions for PHP, MySQL, 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.
Paginate Users
Consider the following table:
CREATE TABLE users (
id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50) NOT NULL
);
The following query is used to paginate the table:
SELECT * FROM users ORDER BY username LIMIT 5 OFFSET 15;
Select all the true statements about this method of pagination.
(Select all acceptable answers.)
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
File Owners
Implement a groupByOwners function that:
- Accepts an associative array containing the file owner name for each file name.
- Returns an associative array containing an array of file names for each owner name, in any order.
For example, for associative array ["Input.txt" => "Randy", "Code.py" => "Stan", "Output.txt" => "Randy"] the groupByOwners function should return ["Randy" => ["Input.txt", "Output.txt"], "Stan" => ["Code.py"]].
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Premium Questions for PHP, MySQL, 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.
Roads, Greeter, Read First Line, Filter, Last Key, Word Count, Needle, Height, Shipping, Ingredients, Dot Items, Cargo Concat, Employee Sales, Employee Tree, Read Write Execute, JSON Stock, Segment, Numbers to Text, Array Sum, ATM Locations, Authors, Autocomplete, Ban Users, Bank Branches, Category Tree, Chain Link, Cheapest Product, Cookie, Countries, Crop Ratio, Date Transform, Developers, Employee Manager, Hobbies, 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, Vectors, View Count, Language Teacher, Manager Sales, Delete Orders, Unique Numbers, Average Salary, Movie Genres, Auto Show, Poll, Array Search, Department Report, Hen, 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.
SQLRecommended Job Roles
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