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Version: 2026

HFilter (Function)
Defines and enables a filter on a table, view or query.
HDeactivateFilter (Function)
Temporarily disables the filter on a table (view or query).
Filtering a table, a view or a query
A filter is used to define programmatically a selection of records corresponding to one or more criteria...
FilterWithBounds (Property)
The FilterWithBounds property is used to determine if bounds have been specified for the filter implemented by HFilter on an HFSQL table, view or query.
<Source>.DeactivateFilter (Function)
Temporarily disables the filter on a table (view or query).
FilterCondition (Property)
The FilterCondition property gets the selection condition set by HFilter on a table, HFSQL view, or query.
<Source>.Filter (Function)
Defines and enables a filter on a table, view or query.
FilteredItem (Property)
The FilteredItem property is used to identify the item that has a filter implemented by HFilter.
HRestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....
ODBC on HFSQL via Visual .NET (in C#)
The ODBC driver on HFSQL Classic (single-user and multi-user) is used to access a HFSQL Classic database from an external database software that supports ODBC accesses......
<Connection variable>.RestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....
HClusterDeleteNode (Function)
Disables a node in a HFSQL cluster.
HClusterAddNode (Function)
Enables a node in an HFSQL cluster.
<Connection variable>.ModifyServerProperty (Function)
Modifies the properties of an HFSQL server.
HModifyServerProperty (Function)
Modifies the properties of an HFSQL server.
<Source>.OnError (Function)
Customizes the management of HFSQL errors.
HOnError (Function)
Customizes the management of HFSQL errors.
1. HFSQL Client/Server: Implementation
WINDEV Tutorial: Using an HFSQL Client/Server database Lesson 1 - HFSQL Client/Server: Implementation - 10 min...
WDSQL: Running an SQL query
WDSQL is used to run all the SQL queries created by WDSQL......
NbRecRead (Property)
NbRecRead is used to find out the number of records read: selected both by the source of the report AND by the filter code (if it exists).
HOpenAnalysis (Function)
Opens an analysis in HFSQL Classic format.
Errors while managing tables
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......
HReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
6. HFSQL Cluster
HFSQL Cluster is an extension of the HFSQL Client/Server database model....
HFSQL Control Center: Managing scheduled elements
You have the ability to define scheduled elements on the HFSQL server....
Frequently asked questions about HFSQL Cluster
Frequently asked questions about HFSQL cluster....