SQL Quizzes & Trivia

Are you our "IT" guy? That's read "I-T" by the way, short for Information Technology. If programming is your thing, then you've got to try these quizzes that we bring. Are you familiar with the special-purpose programming language, SQL? You've probably been using it, but do you know what it means? Right! It's "Structured Query Language".

So, do you think you can give "DISTINCT" answers to our quizzes? How much do you know about making queries and manipulating data? Can you enumerate some data types used in SQL? What about SQL functions? Do you know them by heart? Find out when you take on our quizzes. What are you waiting for? It's your time show off your processing power. Try our SQL quizzes now! Make sure your answers aren't NULL, OK?
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A server query language is designed so that users can retrieve specific information from a database. As a software developer you should have some knowledge on the use of such languages. Do you believe you understand SQL...

Questions: 42  |  Attempts: 5369   |  Last updated: Feb 1, 2019
  • Sample Question
    Which SQL function is used to count the number of rows in a SQL query?

This is a quiz on the SQL system. needed for learning at school

Questions: 10  |  Attempts: 3225   |  Last updated: Mar 2, 2019
  • Sample Question
    When did SQL appear

There are different types of Stored Procedure in SQL server and we got to cover all of them in our previous classes. SQL is used to communicate with a database in a computer to accomplish a task. Take up the quiz below and get to...

Questions: 6  |  Attempts: 926   |  Last updated: Sep 2, 2019
  • Sample Question
    A query that joins a table to itself

This quiz is on SQL basics. SQL is not a query language that most computer geeks aspire to understand. The primary objective for SQL creation was to give the possibility to common people get interesting data from the database. If...

Questions: 20  |  Attempts: 1204   |  Last updated: Sep 2, 2019
  • Sample Question
    A statement that assigns a value to a variable

Welcome to the SQL data manipulation quiz. It is designed to test out just how much you understand when it comes to data manipulation, which is essentially editing, deleting, or changing the data as well as you can. It is perfect...

Questions: 20  |  Attempts: 1115   |  Last updated: Sep 2, 2019
  • Sample Question
    A DML command that inserts, updates, or deletes database data 

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SQL Questions & Answers

Which statement about SQL is true?
SQL is the most widely used database language. SQL is a domain specific language used in programming and designed for managing data held in a relational database management system. It is useful in handling structured data where there are relations be
How can the UNION SQL clause be used?
The answer to this is D. From the name itself, you can already make a guess on what the union clause can do. It has the ability to combine two different statements. Once these statements are combined, it will form a set that will be unique of the two
What is the purpose of the SQL AS clause?
There are different clauses and tools that are used to modify columns and rows in order to edit tables as you need. Each has a precise function and as the names aren’t self-exploratory, you need to learn their uses in order to work them properl
How do you select all the records from a table named "Persons" where the value of the column "FirstName" starts with an "a" with SQL?
The correct answer is B. When trying to select all the records from a table named "Persons" where the value of the column "FirstName" starts with an 'a' with SQL, SELECT FROM Persons WHERE FirstName LIKE a%. This answer is from th