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...
HDescribeItem (Example)
Usage example of the HDescribeItem function
SourceName (Property)
The SourceName property is used to: Get the name of the report data source. Change the report data source....
HReadLast (Example)
Usage example of the HReadLast function
HExecuteQuery (Example)
Usage example of the HExecuteQuery function
HOut (Example)
Usage example of the HOut function
HExecuteSQLQuery (Example)
Usage example of the HExecuteSQLQuery function
Optional connection information
When defining the connections in the data model editor or when defining the connections through programming, you have the ability to specifier the optional connection information......
HModify (Example)
Usage example of the HModify function
HCancelDeclaration (Example)
Usage example of the HCancelDeclaration function
HBuildKeyValue (Example)
Usage example of the HBuildKeyValue function
MemoryToFile (Function)
Automatically initializes the memory value of the items for the current file record with the values of the members of a class or structure.
Item Description (Type of variable)
An Item Description variable is used to describe one or more items in a data file programmatically.
FolderData (Function)
FolderData is kept for backward compatibility.
Native Oracle Connector: Specific features and remarks
Remarks and specific features of the Native Oracle Connector...
Constants for manging the replication
List of constants used by the functions for managing the replication....
External language: Programming in Pascal
We are going to call the elements developed in WINDEV (project, windows, ......
FullTextIndex description (Type of variable)
A FullTextIndex description variable is used to describe one or more full-text indexes through programming.
H.NbRetry (Variable)
Indicates the number of attempts for locking the file or the record before giving control back to the program.
ListView control linked to a data file (or to a query)
A ListView control can be used to display the content of a data file (or the content of a query)......
The "Internal report" control
The "Internal report" controls are used to print several reports (secondary reports) in a single report (main report) without programming......
fDataDirUser (Function)
Returns a directory path for the data of the current user of the current application.
Filters in Table controls based on a data file
WINDEV, WEBDEV and WINDEV Mobile include multiple methods to filter the records displayed in a Table control based on a data file......
External language: Programming in Visual Basic
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
HViewToFile (Example)
Usage example of the HViewToFile function
Server (Property)
The Server property is used to manage servers.