ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HFSQL Client/Server: Backing up databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis...
User Groupware and Client/Server tables
Applications using the User Groupware are compatible with HFSQL databases in Client/Server mode...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed ...
Restoring an HFSQL Client/Server database
A backup of an HFSQL Client/Server database can be restored at any time...
HFSQL Client/Server functions
Several HFSQL functions are used to manage the HFSQL Client/Server data...
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database...
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server tables, the wizard allows you to...
User Groupware and Client/Server tables
An application that uses the User Groupware can be used with an HFSQL database in Client/Server mode...
HFSQL Client/Server: Overview
You have the ability to create applications that access the HFSQL Client/Server databases...
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...
HFSQL Client/Server functions (prefix syntax)
Several HFSQL functions are used to manage the HFSQL Client/Server data...
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
<Connection variable>.ManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check frequency regarding the availability of updates.
<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 table (.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 table (".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.
<HFSQL connection>.StatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy...
Unalterable tables
This feature is used to signal that a table cannot be modified after writing...
<Source>.CheckUnaltered (Function)
Checks that one or all records in an unalterable table have not been modified (e.g. with a hexadecimal editor).
HCheckUnaltered (Function)
Checks that one or all records in an unalterable table have not been modified (e.g. with a hexadecimal editor).
HFSQL Cluster functions
The following functions are used to manage an HFSQL cluster
<Connection variable>.SendMessageToClient (Function)
Displays a message on the client computers.
HCheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
HSendMessageToClient (Function)
Displays a message on the client computers.
HReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server table (".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.
<HFSQL connection>.CheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
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, ...
WDLog: Backup of HFSQL tables
WDLog allows you to save all the HFSQL tables used by a WINDEV or WEBDEV application...
HStatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server table.
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 table (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Live Data: view data in editors
The "Live Data" is used to view the content of the data files in the controls currently created in the different editors of the product used (window editor, page editor, report editor, ......
AS/400: Development method
The Native AS/400 Connector simplifies access to AS/400 data from your WINDEV and WEBDEV applications......
Replication of mobile data (Android or iOS)
The assisted universal replication is available in Android and iOS......
HChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
TablePrint (Function)
Prints the content of the specified Table control without having to create a report based on the Table control.
Software Factory: Administrator options
Several options can be configured in the Software Factory administrator......
Automatic table modification
The automatic table modification updates the description of tables on user computers......
HCreation (Function)
Creates an empty table (file extension ".FIC") with index file, full-text index file and memo file if required.
Configuring the automatic table modification
The automatic table modification updates the description of tables on user computers......
Monitoring robot: Creating a check
The monitor of the monitoring robot is used to create the different checks that must be performed by the monitoring robot......
Accessing an LDAP directory
An LDAP directory is used to share information databases on a local or external network....
HListFile (Function)
Returns the list of files: current database schema. database schemas in progress (projects with multiple database schemas). a specific database schema recognized by the HFSQL engine. available on a connection via a Native Connector or an OLE DB driver. for a group of files defined in the data model editor....
Parallel Tasks constants
The following constants are used by the functions for managing parallel tasks: ......
Specific features of iPhone/iPad applications
To simplify the reading in the controls used to view large volumes of data, the end user has the ability to zoom the data found in the control......