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Version: 2026

The log process
A log is a special file that contains the history of all changes made to one or more tables over a given period of time (date the table was created, last automatic data modification, last backup created with WDLog, etc.)
WDLog: Restore a data file from its log file
WDLog is used to apply to a backup of a data file the different operations saved in the log of this file...
Structure of log files (HFSQL Client/Server)
The following files are automatically created when logging an HFSQL Client/Server table...
Implementing the log process in an application
Regardless of the tables used by your application (HFSQL Classic or HFSQL Client/Server), the log process can be implemented on these tables...
Log (Function)
Calculates the decimal logarithm of a numeric value.
Structure of log files (HFSQL Classic)
The following files are automatically created when logging an HFSQL Classic table...
WDLog: View a log file
WDLog is used to view the content of a log file...
HInfoLog (Function)
Returns information about the server logs.
ServiceWriteEventLog (Function)
Writes an event into the log of Windows events.
WDLog: Presentation
The different operations that can be performed with WDLog are as follows...
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.
<Source>.LogRestart (Function)
Restarts the logging process on a file.
HRegenerateFile (Function)
Regenerates a table from its log.
<Source>.HistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
HLogRecreate (Function)
Used to recreate an empty log.
<Source>.LogStop (Function)
Stops the log process of a file.
<Source>.LogRecreate (Function)
Used to recreate an empty log.
HLogStop (Function)
Stops the log process of a file.
WEBDEV administrator: General configuration
The "Configuration" tab allows you to define the default connection options for WEBDEV websites located on the server and managed by the administrator...
HSetLog (Function)
Enables or disables log management on a file.
<Source>.ChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL table.
HLogRestart (Function)
Restarts the logging process on a file.
HHistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
<Source>.SetLog (Function)
Enables or disables log management on a file.
<Connection variable>.RetrieveLog (Function)
Creates a text file containing the server logs between two given dates.
HRetrieveLog (Function)
Creates a text file containing the server logs between two given dates.
HChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL table.
<Connection variable>.RegenerateFile (Function)
Regenerates a table from its log.
HComputer (Function)
Stores a unique computer number or identifier in order to use the log and transactions over the network.
Transactions: Secure your processing of HFSQL tables
This chapter presents the following topics......
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Contributors are the people who take part in one or more projects......
How Session mode pages work
WEBDEV includes several types of pages to create dynamic sites......
User Groupware
A Windows application, an Internet or Intranet site require to define the role of different...
File Description (Variable type)
The File Description variable is used to programmatically describe tables.
SCM: Ribbon options
The operations on the SCM can be performed from the SCM tab of WINDEV, WEBDEV or WINDEV Mobile....
Private Store for WINDEV applications
Versions 27 and later include a Private Store......
Chorus Pro: Automate the submission of invoices
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Remote WEBDEV administrator: Configuration for using statistics
A specific account dedicated to the management of statistics is required to access the statistical...
Creating a service with WINDEV
A service is a specific type of application intended to be run without any user intervention......
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....
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Tutorial - Creating a website with back office processes Lesson 1 - Overview - 5 min
Check: SMART status of storage drives
The monitoring robot will measure the SMART attributes of a server's hard drives......
The options of the User Groupware
An application is often intended to be used by several users connected via a network......
Monitoring robot: Creating a check
The monitor of the monitoring robot is used to create the different checks that must be performed...
OpenAI: Where to find the OpenAI key
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Constants for manging the replication
List of constants used by the functions for managing the replication....