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: 6800   |  Last updated: Feb 1, 2019
  • Sample Question
    Which SQL function is used to count the number of rows in a SQL query?


Questions: 20  |  Attempts: 448   |  Last updated: Nov 20, 2020
  • Sample Question
    Select incorrect variable declarations.

Questions: 26  |  Attempts: 818   |  Last updated: Jan 24, 2013
  • Sample Question
    Which SELECT statement should you use if you want to display unique combinations of the POSITION and MANAGER values from the EMPLOYEE table?

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

Questions: 10  |  Attempts: 3423   |  Last updated: Mar 2, 2019
  • Sample Question
    When did SQL appear

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: 1265   |  Last updated: Sep 2, 2019
  • Sample Question
    A DML command that inserts, updates, or deletes database data 

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SQL Questions & Answers

Can you state some facts about SQL?
Null values are displayed last in ascending sequences. SQL means Structured Query Language. SQL allows you to access and manipulate databases; it became the standard of the American National Standards Institute (ANSI) IN 1986 and the International O
What is the purpose of SQL AS clause?
SQL is a programming language used for data management held in a relational database management system. The SQL AS is a keyword that is employed in the ascription of a nickname or an alias to a certain table of one’s choice, which is currently
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 SQL LIKE clause is made use to relate value to comparable values using wildcard operators. Each time you want to look for records in a table based on certain string patterns such as the operator is the appropriate way to deal with this kind of qu
What is the difference between Left Join and Left Outer Join?
Before delving into whether there is any difference between left join and left outer join, it is important that you know what the word 'join' means as far as the SQL server is concerned. Join is a feature that helps to combine certain records of two
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