ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HFSQL Client/Server: Scheduled tasks
The scheduled tasks are used to schedule automatic tasks...
HFSQL Client/Server functions
Several HFSQL functions are used to manage the HFSQL Client/Server data...
Managing rights on HFSQL Client/Server
To ensure data security and confidentiality, some actions may be restricted to a group of users...
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server data files, the wizard allows you to...
HFSQL Client/Server database: Recommendations
This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features...
Stored procedures and queries (HFSQL Client/Server)
The stored procedures are used to simplify the development and the maintenance of your applications by factorizing the code...
HFSQL Client/Server functions (prefix syntax)
Several HFSQL functions are used to manage the HFSQL Client/Server data...
Restoring an HFSQL Client/Server database
A backup of an HFSQL Client/Server database can be restored at any time...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed ...
HFSQL Client/Server: Port management
The ports used by the HFSQL Client/Server server...
HFSQL Client/Server: Backing up databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis...
Limitations of WINDEV, WEBDEV and WINDEV Mobile
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database...
Notifications of an HFSQL server
A server may encounter problems without any user (or developer) noticing anything.
For example:
  • a scheduled task may fail,
  • an automatic backup may fail,
  • a node may become inactive in an HFSQL cluster, ...
HCheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Remote HFSQL Administrator: Overview
The remote HFSQL administrator is a WEBDEV site installed with the WEBDEV application server and used to remotely manage the HFSQL Client/Server databases installed on the Web server...
HCheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server data file (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<HFSQL connection>.StatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Authentication via Active Directory
Kerberos is an authentication mode based on the use of tickets and secret keys...
HReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Installing and configuring HFSQL Cluster
Required configuration and overview for installing HFSQL Cluster.
HFSQL Cluster functions
The following functions are used to manage an HFSQL cluster
<Connection variable>.AddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server data files.
Overview of HFSQL Cluster
HFSQL Cluster is a database server intended to be deployed on several servers...
HAddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server data files.
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy...
<HFSQL connection>.CheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
HStatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<HFSQL connection>.CheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server data file (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<HFSQL connection>.ReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Debugging a connection to an HFSQL server
The stored procedures and the triggers are debugged from the environment, with real execution on the server...
WDOptimizer: Optimizing indices
WDOptimizer includes multiple modes to optimize indices......
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
5. User Groupware in practice
HExecuteQuery (Function)
Declares a query created in the query editor to the HFSQL engine and runs this query.
12. Retrieving data from a site
Android application: Using and sharing SQLite data
For the Android applications, the available databases are HFSQL (Classic and Client/Server) and SQLite....
5. User Groupware in practice
Describing the replication (ReplicEdit)
ReplicEdit is used to create a replication via a wizard, but the replication description window allows identifying or configuring additional parameters......
WX file
The "Executable Name".WX file is used to manage some features directly, even if these features have not been included in the application. This file is found beside the executable....
XLS file handling functions
List of functions for managing XLS files...
Constants for managing errors and exceptions
List of constants used by the functions for managing errors and exceptions....
The setup editor WDInst
WDInst is a setup editor used to define the setup parameters of your application......
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing......
Analysis: Describing data files
The analysis is used to define the structure of data files used by the project......
Server triggers
Server triggers are stored procedures executed by the server before or after a write operation performed on a database file......
User Groupware (WINDEV and WEBDEV): Options and settings
An application is often intended to be used by several users connected via a network......
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.
Monitoring robot: Configuring the robot parameters
From the monitor, you can change the configuration options......
Managing HFSQL Cluster
Methods for managing an HFSQL cluster and its databases....
Data source (Type of variable)
A Data source variable is used to describe a temporary data source (query, view, alias, ...)
Sharing your source code with the SCM
WINDEV Tutorial - An SCM for WINDEV Sharing your source code with the SCM - 30 min
HDeleteAll (Function)
Deletes all records from a data file, an HFSQL view or a query.
HFSQL constants
List of constants used by the HFSQL functions....
Setup by HTTP (Network setup via IP)
The network setup via HTTP consists in installing and updating a WINDEV application via an HTTP server (Live update)......
Dynamic audit
The dynamic audit of an application analyzes its runtime performance......