ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Managing rights on HFSQL Client/Server
To ensure data security and confidentiality, some actions may be restricted to a group of users...
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...
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...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed ...
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...
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...
HFSQL Client/Server functions
Several HFSQL functions are used to manage the HFSQL Client/Server data...
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...
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy...
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.
HAddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server tables.
<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.
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.
<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.
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database...
Debugging a connection to an HFSQL server
The stored procedures and the triggers are debugged from the environment, with real execution on the server...
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, ...
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...
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...
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.
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.
DescribedPhysicalName (Property)
The DescribedPhysicalName property is used to manage the physical name of HFSQL data files.
FileToArray (Function)
Fills an array of classes or structures with the content of an HFSQL data file or query.
HRSExecute (Function)
Immediately runs a recurring replication between HFSQL servers: the replication is triggered before the scheduling.
HRSInfo (Function)
Reads the replication configuration for an HFSQL server that takes part in one or more replications.
hServerOperation (Type of variable)
The hServerOperation type is used to get the characteristics of an operation performed on an HFSQL server.
<Scheduler>.Display (Function)
Reinitializes the content of a Scheduler control from its data source (HFSQL file for example).
<Source>.ImportHF55 (Function)
Imports a Hyper File 5.5 file into an HFSQL Classic file.
<Source>.ExecuteQuery (Function)
Declares a query created in the query editor to the HFSQL engine and runs this query.
TextItemCompleted (Property)
The TextItemCompleted property is used to manage text items in an HFSQL data file.
PhysicalName (Property)
The PhysicalName property is used to manage the physical name of HFSQL data files.
SchedulerDisplay (Function)
Reinitializes the content of a Scheduler control from its data source (HFSQL file for example).
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL data files.
HBuildKeyValueANSI (Function)
Regardless of the platform used, the data stored in the HFSQL files is in ANSI format.
Structure of log files (HFSQL Classic)
The following files are automatically created when logging an HFSQL Classic data file......
Accessing HFSQL files via SAMBA on Linux
A specific setting is required to access the HFSQL files via Samba on Linux......
<Connection variable>.RSExecute (Function)
Immediately runs a recurring replication between HFSQL servers: the replication is triggered before the scheduling.
<Connection variable>.RSInfo (Function)
Reads the replication configuration for an HFSQL server that takes part in one or more replications.
HClusterIgnoreSynchro (Function)
Defines a node of the HFSQL cluster as data source to perform the cluster synchronization.
NullAllowed (Property)
The NullAllowed property is used to manage the NULL value in the items of HFSQL tables.
HListKey (Function)
Returns the list of keys in a table (query or view) recognized by the HFSQL engine.