A n enterprise’s data is a strategic resource. The Relational Database Manage- ment System allows you to manage this data safely. The performance is remarkable. Used on several millions computers the world over, the flexibility and the scalability of allows real time responses to the most demanding mission critical applications. You too, choose Documentation version 2013-10. Reference H F S Q L Technical- commercial documentation . Some knowledge of WINDEV, WEBDEV or WINDEV Mobile is useful. If you’re not familiar with them, don’t hesitate to request their complete documentation (for free) . WELCOME TO A WORLD OF SECURITY AND PERFORMANCE Table of contents Overview 3 Local 4 Mobile – Embedded 4 Client/Server 5 Cluster - Cloud 5 Types of data and index 6 SQL 7 Features 7 Security 10 Openness 11 Tools 11 Programming 17 List of supported SQL statements 17 List of WLanguage commands 18 Vocabulary 21 Who uses HFSQL? 22 Benefits 22