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Version: 2025

Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
<Connection variable>.RegenerateFile (Function)
Regenerates a data file from its log.
SQLConnectWS (Function)
Connects the current application to a database that will be queried by SQL through a Webservice proxy (SOAP).
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database......
hScheduling (Type of variable)
The hScheduling type is used to define and find out the characteristics of the scheduling that must be performed: for a scheduled optimization task of HFSQL Client/Server files. for a scheduled backup task of HFSQL Client/Server files. for a scheduled replication of HFSQL servers....
Compression (Property)
The Compression property is used to manage data compression during a connection (HFSQL Client/Server, etc.)...
ExecutionCompleted (Property)
The ExecutionCompleted property is used to determine whether the execution of a query or view (HFSQL Classic or Client/Server) is completed....
<Source>.RecordDate (Function)
Returns the date and time that an HFSQL record was last modified (Classic or Client/Server)....
Server (Property)
The Server property is used to manage the data source of a connection (HFSQL Client/Server, OLE DB, etc.)....
Errors while managing data files
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......
4. HFSQL Classic
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......
HListConnectedUser (Function)
Lists the users currently connected to one or more files handled by a Client/Server connection....
WDLog: Viewing a log file
WDLog is used to view the content of a log file......
HFSQL Control Center: Overview
The HFSQL Control Center is used to manage the different HFSQL databases (Network, Mobile, Client/Server) found in the company......
Handling data files in PHP
WEBDEV allows you to create a PHP site that handles data files......
HFConf.Ini file
The HFConf.INI file is found at server root. This file is used to define several characteristics of HFSQL Client/Server server....
Transactions in SQL
Starting with version 21, you can manage transactions in SQL code......
Managing HFSQL Client/Server databases
The HFSQL Control Center allows you to fully manage HFSQL Client/Server databases......
OLE DB provider for HFSQL
The OLE DB provider on HFSQL is used to access an HFSQL database (Classic or Client/Server) from an external software that manages the accesses by OLE DB......
<Connection variable>.TransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the transaction file.
<Connection variable>.SetServer (Function)
Used to find out and modify some settings of HFSQL Client/Server server....
HSetServer (Function)
Used to find out and modify some settings of HFSQL Client/Server server....
<Connection variable>.Transaction (Function)
Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the transaction file.
HTransaction (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
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