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Version: 2026

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, ...
Docker image of the HFSQL server
A Docker container with the HFSQL server is available on Docker Hub...
HOperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
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...
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
InStoredProcedureMode (Function)
Indicates whether the code is run on an HFSQL server.
<Connection variable>.ManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check frequency regarding the availability of updates.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
HDeleteScheduledOptimization (Function)
Deletes a scheduled optimization task from HFSQL Client/Server data files....
<Connection variable>.ModifyDatabaseRights (Function)
Modifies the rights granted to a user or to a group for a HFSQL Client/Server database....
HModifyDatabaseRights (Function)
Modifies the rights granted to a user or to a group for a HFSQL Client/Server database....
<Connection variable>.DeleteScheduledOptimization (Function)
Deletes a scheduled optimization task from HFSQL Client/Server data files....
hBackupDescription (Type of variable)
The hBackupDescription type is used to programmatically describe an HFSQL Client/Server backup....
5. HFSQL Cient/Server
Authentication via Active Directory
Kerberos is an authentication mode based on the use of tickets and secret keys......
SynchroHFSQL (Property)
The SynchroHFSQL property is used to: get the refresh mode of a Table control based on a data file linked to an HFSQL Client/Server data file. specify the refresh mode of a Table control based on a data file linked to an HFSQL Client/Server data file....
HSimulateNetwork (Function)
Simulates the operating mode of HFSQL Client/Server on an ADSL or 3G network....
hScheduledTask (Type of variable)
The hScheduledTask type is used to manage a scheduled HFSQL Client/Server task through programming......
HListScheduledOptimization (Function)
Lists the scheduled optimization tasks of HFSQL Client/Server data files for a connection....
<Connection variable>.ListScheduledOptimization (Function)
Lists the scheduled optimization tasks of HFSQL Client/Server data files for a connection....
<Connection variable>.ModifyFileRights (Function)
Modifies the rights granted to a user or group on an HFSQL Client/Server data file....
HModifyFileRights (Function)
Modifies the rights granted to a user or group on an HFSQL Client/Server data file....
Structure of log files (HFSQL Client/Server)
The following files are automatically created when logging an HFSQL Client/Server data file......
<Connection variable>.SimulateNetwork (Function)
Simulates the operating mode of HFSQL Client/Server on an ADSL or 3G network....
ODBC driver for HFSQL Classic and for HFSQL Client/Server (Linux)
The ODBC driver for HFSQL Classic (single-user or multi-user) is used to access an HFSQL Classic database from an external database software that supports the accesses by ODBC......
HFSQL Client/Server functions (prefix syntax)
Several HFSQL functions are used to manage the HFSQL Client/Server data......
<Connection variable>.InfoFileRights (Function)
Allows you to find out the rights granted to a user or to a group on an HFSQL Client/Server data file....
Compression (Property)
The Compression property is used to manage data compression during a connection (HFSQL Client/Server, etc.)...
HInfoFileRights (Function)
Allows you to find out the rights granted to a user or to a group on an HFSQL Client/Server data file....
Differences and specific features of an HFSQL Client/Server application
The management mode of data files may have to be adapted when using an HFSQL Client/Server application......
Provider (Property)
The Provider property is used to manage the type of a connection (HFSQL Client/Server, OLE DB, etc.)....
User (Property)
The User property is used to manage the user of a connection (HFSQL Client/Server, OLE DB, etc.)....
HFSQL Client/Server management functions
Several HFSQL functions are used to manage the HFSQL Client/Server data......
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