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...
HCheckIndex (Function)
Checks whether the data found in the index file (.NDX file) properly refers the data found in the data file (.FIC file).
NbThumbnail (Property)
The NbThumbnail property is used to get the number of thumbnails generated for an item.
MaxThumbnailHeight (Property)
The MaxThumbnailHeight property is used to get and change the maximum height of a thumbnail of an Image item (binary memo).
Installing the HFSQL Server module
Cherche les éléments d'un noeud HTML correspondant à une balise....
MaxThumbnailWidth (Property)
The MaxThumbnailWidth property is used to get or change the maximum width of a thumbnail of an Image item (binary memo).
InfoThumbnailGeneration (Property)
The InfoThumbnailGeneration property is used to determine if the thumbnails of an item have been generated successfully.
<Connection variable>.FileExist (Function)
Finds out if a file exists, i.e. if it has been physically created (HCreation or HCreationIfNotFound).
HCheckUnaltered (Function)
Checks whether one or all records in an unalterable data file have not been modified (with an hexadecimal editor for example).
Data model editor: Describing a connection
Any program developed with WINDEV, WEBDEV or WINDEV Mobile can easily access......
<Connection variable>.RegenerateFile (Function)
Regenerates a data file from its log.
HCheckMemo (Function)
Checks the structural integrity of memos in an HFSQL data file.
WINDEV 2024 Tutorial - Table of contents
WEBDEV 2024 Tutorial - Table of contents
Reports & Queries: Unsupported WLanguage functions
Some WLanguage functions are not available in Reports & Queries......
<Source>.ListLink (Function)
Returns the list of links (Merise type) found in the current analysis or in a specific analysis.
HTransactionInProgress (Function)
Used to find out whether a transaction is in progress.
Thumbnail (Property)
The Thumbnail property is used to: get the value of an item thumbnail. This item was defined in the data model editor or through programming. get and change the image associated with a Thumbnail control....
HDescribeTrigger (Function)
Adds or modifies a trigger on an HFSQL data file.
Compression (Property)
The Compression property gets and sets the data compression mode.
HRegenerateFile (Function)
Regenerates a data file from its log.
<Source>.DeclareExternal (Function)
Temporarily imports into the current analysis the description of a data file from an existing HFSQL data file.
Encryption (Property)
The Property Encryption allows you to know and modify the type of encryption used.
Creating a replication
To understand the operating mode of ReplicEdit, we are going to create a replication by using a simple example......
Managing connections
WINDEV, WEBDEV and WINDEV Mobile propose different methods for describing a connection......
SCM administrator: available tools
The SCM administrator (Source Code Manager) proposes several tools to manage and optimize the SCM repository......