String Functions: Asc Chr Concat with & CurDir Format InStr InstrRev LCase Left Len LTrim Mid Replace Right RTrim Space Split Str StrComp StrConv StrReverse Trim UCase Numeric Functions: Abs Atn Avg Cos Count Exp Fix Format Int Max Min Randomize Rnd Round Sgn Sqr Sum Val Date Functions: Date DateAdd DateDiff DatePart DateSerial DateValue Day Format Hour Minute Month MonthName Now Second Time TimeSerial TimeValue Weekday WeekdayName Year Other Functions: CurrentUser Environ IsDate IsNull IsNumeric SQL Quick Ref · SQL Examples SQL Editor SQL Quiz SQL Exercises SQL Server SQL Syllabus SQL Study Plan SQL Bootcamp SQL Training

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Practice queries on Select, Where, Limit, Order by, Aggregates, Group by, Joins, Sub-queries and Case expressions. Solve over 80 SQL exercises using real life case studies. Write queries in MySQL syntax.

SQL training exercises from Wise Owl Training

50 essential SQL questions · Best for 1 month of prep time · Award · SQL 50 · Complete the study plan to win the badge!

Additional practice of the basic features using a table of Nobel Prize winners. ... In which we form queries using other queries.

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January 20, 2021 - Since getting SQL skills require study and practice, I found a couple of extra websites to practice SQL. I wanted to find graded exercises (or a way to know if my queries were well written). Here are my findings: Exercise v3.0 Graded exercises and theory in case you need it.

This resource offers a total of 2605 SQL problems for practice. It includes 1246 main exercises, each accompanied by solutions, detailed explanations, and four/five related problems.

Dive into our SQL WHERE clause tutorial and practice exercise where you'll filter a database of Amazon products.

April 1, 2026 - This section offers beginner-friendly SQL exercises covering SELECT, INSERT, UPDATE, and DELETE using tables like Sales and Products to build a strong foundation for real-world database tasks.

As a Data Analyst or Data Scientist, you'll almost always be pulling data from multiple tables, which is why the SQL JOIN is crucial. For example, at Spotify you might analyze Drake 🐐 by writing queries that combine two tables like:

February 27, 2026 - Master SQL faster with hands-on practice that actually works ... Write real SQL queries in your browser. Get instant feedback on every exercise. ... Start with SELECT basics and progress to complex JOINs, subqueries, and aggregations.

Practice SQL online for free with 60+ interactive exercises. No signup required! Learn SQL queries, joins, functions with real databases. Perfect for beginners and interviews.

SQL Exercises - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document provides 20 SQL exercises for practice on employee and department database tables. The exercises include queries to select employees by name, job, and salary; find the highest, second highest, and nth highest salaries; join tables to show employees and their managers; count employees by department and manager; analyze hire dates and salary ranges; and filter records by name and hire date.

SQL remote education. Interactive exercises on SQL statements: SELECT,INSERT,UPDATE,DELETE

Stay on the cutting edge with exercises that are constantly updated to reflect the latest SQL trends and best practices. Our platform helps keep your knowledge up-to-date in an evolving field. ... Your information is safe and secure... ... Your information is safe and secure... ... Our SQL exercises cover everything from fundamentals (basic queries, filtering, and joins) to advanced topics like subqueries, window functions, and performance optimization. ... We organize exercises into three levels: Beginner for SQL basics, Intermediate for deeper concepts, and Advanced for complex programming challenges.

SQLBolt provides a set of interactive lessons and exercises to help you learn SQL