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...
SQLCode (Property)
The SQLCode code property is used to get the SQL code of a query created with the query editor (".WDR" file).
The "Debugger" pane
The "Debugger" pane displays the debugger options when debugging the project or a project element ("Debugger" option)......
The different WEBDEV Application Servers
WEBDEV includes several WEBDEV Application Servers......
Setup for WINDEV and WEBDEV (Development version and WEBDEV Application Server for Windows)
Creating a delete query
A delete query (corresponding SQL statement......
How to create an SQL query to filter records?
This help page explains how to create an SQL query to filter records....
Configuring the connection with WDSQSINS
For compatibility with the earlier versions of the Native SQL Server Connector (also called Native SQL Server Access), the connection can still be configured in WDSQSINS (supplied with the Native SQL Server Connector)......
<Source>.PrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
Migrating a WEBDEV site to PHP
To migrate a WEBDEV site to PHP......
Native SQL Server Connector for WINDEV and WEBDEV 2024
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file......
Native SQL Server Connector license agreement
Native SQL Server Connector (also known as Native SQL Server Access) license agreement...
Native MySQL Connector - License Agreement
How to create an SQL query with a calculation formula?
This help page explains how to create a query with a calculation formula with the query editor....
Managing space characters in the searches?
Assisted universal replication
To easily establish the universal replication between the data of a remote application and a central database, WINDEV and WEBDEV allow you to......
How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without correspondences in the linked files......
How to sort the result of a query?
This help page explains how to create a sort query with the query editor....
Native SQL Server Connector: Retrieving the output value of a stored procedure
The Native SQL Server Connector is used to: specify the input values during the call to a stored procedure. retrieve the output values after a call to a stored procedure....
Native Informix Connector: Programming with SQL functions
The use of SQL functions to manipulate Informix data does not require importing the file structure into the analysis......
Native Sybase Connector: Programming with SQL functions
The use of SQL functions to handle Sybase data does not require importing the file structure into the analysis......
How to create an SQL query to get a TOP 10?
This help page presents the method for creating an SQL query used to get the first 10 records......
How to loop through a file using filters?
Native Progress Connector: Programming with SQL functions
The use of SQL functions to handle Progress data does not require importing the file structure into the analysis......
Creating a combining query
A combining query (corresponding SQL statement: UNION) ......