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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

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...
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 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...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed ...
HFSQL Client/Server functions
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...
HFSQL Client/Server: Port management
The ports used by the HFSQL Client/Server server...
Managing rights on HFSQL Client/Server
To ensure data security and confidentiality, some actions may be restricted to a group of users...
HFSQL Client/Server: Backing up databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis...
HFSQL Client/Server: Scheduled tasks
The scheduled tasks are used to schedule automatic tasks...
HFSQL Client/Server functions (prefix syntax)
Several HFSQL functions are used to manage the HFSQL Client/Server data...
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.
Overview of HFSQL Cluster
HFSQL Cluster is a database server intended to be deployed on several servers...
<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.
<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>.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, ...
HFSQL Cluster functions
The following functions are used to manage an HFSQL cluster
Limitations of WINDEV, WEBDEV and WINDEV Mobile
A structure is a custom type of data...
Installing and configuring HFSQL Cluster
Required configuration and overview for installing HFSQL Cluster.
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy...
<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.
Debugging a connection to an HFSQL server
Stored procedures and triggers are debugged from the environment, with real execution on the server...
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database...
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...
HAddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server tables.
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.
Authentication via Active Directory
Kerberos is an authentication mode based on the use of tickets and secret keys...
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.
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.
<Connection variable>.AddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server tables.
HListConnectedUser (Function)
Lists users currently connected to one or more tables handled by a Client/Server connection....
HInfoTask (Function)
Returns the characteristics of a scheduled task in a hScheduledTask variable].
HUpdateSet (Function)
Creates or updates a set of procedures on an HFSQL server.
HListStoredElement (Function)
Returns the list of elements stored on an HFSQL server (sets of procedures, stored procedures or queries).
<Connection variable>.RestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....
HModifyUser (Function)
Modifies the information about a user according to the elements found in the corresponding variables for user management.
HInfoGroup (Function)
Returns information about the specified group of users.
HListGroup (Function)
Returns the list of groups of users defined for a connection.
HListUser (Function)
Returns the list of users defined for a connection.
<Connection variable>.TransactionIsolation (Function)
Configures the isolation mode of transactions for a connection to an HFSQL server.
HFSQL Cluster management
The HFSQL Control Center includes all the tools needed to manage HFSQL clusters......
HListServer (Function)
Lists the HFSQL servers installed on a computer.
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HFSQL in network mode on a server running Windows NT4, 2000, XP or 2003
The access speed to the data in network depends on several parameters (see the section......
<Connection variable>.DeleteUser (Function)
Deletes a user associated with a connection to the HFSQL server.
<Connection variable>.InfoLock (Function)
Returns information about the lock set on a table, on one or all the records in a table.
HListServerTrigger (Function)
Lists the different triggers available on a connection or on one of the connection files.
<Connection variable>.ListSchedulingHistory (Function)
Lists the executions of a scheduled operation on an HFSQL server. This operation can be a scheduled task (stored procedure), backup, optimization or a materialized view refresh.
<Connection variable>.DeleteSchedulingHistory (Function)
Deletes the executions of a scheduled operation on an HFSQL server. This operation can be a scheduled task (stored procedure), backup, optimization or a materialized view refresh.
HTransactionIsolation (Function)
Configures the isolation mode of transactions for a connection to an HFSQL server.
<Connection variable>.DeleteGroup (Function)
Deletes (from the server) a group of users associated with a connection.
HRestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....