In this course you work under the guidance of an experienced trainer on building a solid foundation in SQL. You learn how relational databases work and write your own queries to retrieve, filter and edit data. Practical and directly applicable.

Read the full description of the SQL Basics course

All dates in The Hague

  • Thu 29 & Fri 30 October 2026 10:00 – 17:00 Enrol
  • Mon 9 & Tue 10 November 2026 10:00 – 17:00 Enrol
  • Mon 30 Nov & Tue 1 Dec 2026 10:00 – 17:00 Enrol

None of the dates suitable? In-company takes place on a day of your choosing, and the course also runs in other cities.

Where in The Hague

Den Haag Postillion Hotel & Convention Centre

Waldorpstraat 15
2521CA Den Haag

Plan your route

5 minutes' walk from Hollands Spoor station.

You can park in the nearby Q-Park Laakhaven car park. Take exit H and then the Haagse Hoge Huis entrance. The 'The Globe' building is opposite. Please note! Parking costs are at your own expense.

Den Haag Regus

Koningin Juliana Plein 10
2595 AA Den Haag

Plan your route

We recommend parking at Q-park New Babylon, as this is the nearest car park. Details of this location can be found at www.q-park.nl. We cannot guarantee availability in the car park under any circumstances, as it is a public car park. The rates for this car park are €2.60 per hour with a maximum day rate of €26.00. Please note: parking costs are at your own expense.

Den Haag The Office Operators

Schenkkade 50
2595 AR Den Haag

Plan your route

15 minutes' walk from Den Haag Centraal. 4 minutes' walk from the 'Haagse Poort' bus stop.

1 minute's walk from the 'ParkBee De Haagsche Zwaan' car park. Please note! Parking costs are at your own expense.

Who teaches you in The Hague

  • Mike van Balen Mike Web design and IT trainer Cijfer 8,6 uit 1098 evaluaties
  • Pascal ter Heege Pascal ICT and communication trainer Rating 8,3 from 753 evaluations

What participants thought

  • “I expected a basic course that covered writing queries from scratch from A to Z. The course did exactly that. A perfect match.”

    C. van Lumig, Woonpunt - SQL Basics
    Rating 10.0
  • “Absolutely excellent, a pleasant and knowledgeable trainer. Good pace, plenty of variation between content and exercises. The course comes highly recommended!”

    A. Rebergen - CBS Academy - SQL Basics
    Rating 10.0
  • “Excellent SQL Server course with a clear structure.”

    L. Wong - Gemeente Rotterdam- SQL Basics
    Rating 10.0
  • “You get value for money. And you leave with the knowledge to write your own SQL statements.”

    D. Knijnsberg, Gemeente Purmerend - SQL Basics
    Rating 10.0

Frequently asked questions

What prior knowledge do you need for the SQL Basics course?
For the SQL Basics course you do not need any specific prior knowledge of SQL or databases. Basic computer skills are sufficient. The course starts at the beginning: you first learn how relational databases work and then build up your SQL skills step by step. The course is therefore suitable both for beginners and for professionals who want to formalise their knowledge.
Which topics does the SQL Basics course cover?
The SQL Basics course covers the most important SQL topics in . Day 1: database systems, data types, keys and simple queries using SELECT, ORDER BY, GROUP BY, WHERE and LIKE. Day 2: more advanced queries with functions (ROUND, DATEPART), calculations (COUNT, SUM, AVG), subqueries, JOINs (INNER, LEFT, RIGHT) and modifying data and tables with INSERT, UPDATE, DELETE, CREATE, ALTER and DROP.
Which database systems will you learn to use in the SQL Basics course?
In the SQL Basics course you learn to work with all common relational database systems, including Microsoft SQL Server, Oracle, MySQL, PostgreSQL, IBM DB2 and SQLite. The course covers the standard SQL language and the differences between the various DBMSs. As a result, after classroom training you can get straight to work with virtually any SQL database you come across in your workplace.
Who is the SQL Basics course suitable for?
The SQL Basics course is suitable for anyone who wants to learn to work with relational databases, without needing any prior knowledge of SQL. Think of functional administrators, data analysts, information managers, system administrators, aspiring database developers and programmers. This classroom course is also a good fit if your work increasingly requires you to retrieve data from a database.
Do you receive a certificate after the SQL Basics course?
Yes, on completion of the SQL Basics course you receive a certificate of participation. This certificate shows that you have attended the classroom course and have mastered the basics of SQL, including writing SELECT queries, filtering with WHERE, sorting, grouping and combining tables with JOINs. A useful piece of evidence for your CV or LinkedIn profile.
What is the difference between the classroom SQL Basics course at Learnit and an online SQL course or self-study via YouTube?
The classroom SQL Basics course You work under the guidance of an experienced database trainer and practise with assignments that you can link to your own daily work. That last point is the biggest difference with self-study via YouTube or an online course: you get direct feedback on your queries and can ask questions about your specific database situation. In you cover both the basics (SELECT, WHERE, ORDER BY, GROUP BY) and more advanced topics (JOINS, subqueries, INSERT, UPDATE, DELETE, CREATE). With self-study you are more inclined to click through without really practising. Choose the classroom option if you want to learn in a structured way and become productive quickly; choose self-study if your budget is limited and you are able to keep going in a disciplined way.
How quickly after the SQL Basics course can I write queries independently in practice?
Straight after the course you will be able to write simple to medium-sized SQL queries. On day 1 you practise with SELECT, WHERE, ORDER BY, GROUP BY and filtering with wildcards. On day 2 you work with JOINs, subqueries, aggregate functions (COUNT, SUM, AVG) and modifying data using INSERT, UPDATE and DELETE. The mix of theory, demonstrations and plenty of practice exercises with sample files means the material sinks in quickly. How soon you can apply it in your own working environment depends on the database system (Microsoft SQL Server, MySQL, PostgreSQL, Oracle) and the complexity of your data model. Most participants are writing their own reporting queries within a week. For more complex matters such as stored procedures or performance tuning you will need a follow-up course; this is a basic course.
Which SQL dialects do I learn during the SQL Basics course, and is that knowledge usable in PostgreSQL or MySQL, for example?
The SQL Basics course covers standard SQL: the syntax and functions that work in virtually all relational database systems. Think of SELECT, WHERE, GROUP BY, JOIN, INSERT, UPDATE, DELETE and CREATE. That knowledge can be applied directly in Microsoft SQL Server, Oracle, MySQL, PostgreSQL, IBM Db2, Microsoft Access and SQLite. The trainer explicitly points out the differences between the dialects, so you know what to watch out for when moving between systems. Functions such as ROUND, LTRIM, RTRIM and DATEPART are covered; the exact name can differ slightly per DBMS (for example EXTRACT in PostgreSQL instead of DATEPART). The course material is in English, as is the software. After , you can start working with basic queries in any common DBMS.
SQL Basis in Den Haag € 1100,- excl. VAT
Duration
Two-day course
Next date
29 October 2026
Start dates
3 this year
Location
Den Haag Postillion Hotel & Convention Centre
Book for 29 October 2026 Request a quote

Small groups, also in-company at your office.