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...
Replication options (ReplicEdit)
Creating a replication with ReplicEdit allows you to specify several parameters......
Brochure of new features: Common new features
New features in WINDEV/WEBDEV/WINDEV Mobile 28 presented in the New Features brochure....
New Features brochure - Version 28: Common new features
New features in WINDEV/WEBDEV/WINDEV Mobile 28 presented in the New Features brochure....
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed in the result of the query....
Reports
A report provides a custom view of data......
AS/400: Development method
The Native AS/400 Connector simplifies access to AS/400 data from your WINDEV and WEBDEV applications......
Windows
The windows represent the main interface of a WINDEV application......
SQLTransaction (Function)
Begins, commits or rolls back a transaction: on the files of a database opened by SQLConnect, on the files of a database opened by a connection (OLE DB or Native Access/Native Connector) described in the data model editor or by HOpenConnection....
SQLTable (Function)
Transfers the result of a query to a Table control populated programmatically (a List Box or Combo Box control), with the possibility of Partial Fetch (the result is retrieved by blocks of rows).
Operations in a Select query : add and delete
The following paragraphs present......
Query
The keyword "Query" is used to describe:
SQLColumn (Function)
Returns the characteristics of all the columns (or items): for a given table. for a given query....
Accessing an LDAP directory
An LDAP directory is used to share information databases on a local or external network....
SQLLock (Function)
Used to lock: The entire data table, in read and write mode. Its data cannot be accessed by other computers. The records selected by the query. This data cannot be accessed by the other computers. This method can be used to update records for example....
Accessing a database in local mode (SQLite)
WEBDEV allows a site to create and access a database created by the browser on the computer of the Web user in browser code....
SQLGetTextMemo (Function)
Retrieves the content of a Text Memo column found in the query result, for the current line.
SQLColumnFormat (Function)
Returns the different types of columns supported: by the data source identified by SQLConnect by the database accessed by a specific connection (connection described in the analysis or described by HDescribeConnection or HOpenConnection)....
SQLClose (Function)
Declares the end of the query execution and frees the memory resources allocated during the execution of the query.
Automated tests on an executable
WINDEV proposes to run the different project tests directly on the corresponding executable......
SQLSeek (Function)
Positions on the specified result row of the query.
SQLModify (Function)
Modifies the content of a row in the query result.
SQLListTable (Function)
List all the tables that can be accessed by the connected database system.
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes....
SQLGetCol (Function)
Retrieves the content of the specified column from the query result, for the current line.
SQLReqExists (Function)
Checks the existence of a query.