ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

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
Several HFSQL functions are used to manage the HFSQL Client/Server data...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed ...
Managing rights on HFSQL Client/Server
To ensure data security and confidentiality, some actions may be restricted to a group of users...
Restoring an HFSQL Client/Server database
A backup of an HFSQL Client/Server database can be restored at any time...
HFSQL Client/Server: Port management
The ports used by the HFSQL Client/Server server...
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server tables, the wizard allows you to...
HFSQL Client/Server functions (prefix syntax)
Several HFSQL functions are used to manage the HFSQL Client/Server data...
HFSQL Client/Server: Scheduled tasks
The scheduled tasks are used to schedule automatic tasks...
HFSQL Client/Server: Backing up databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis...
HReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server table (".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.
<HFSQL connection>.CheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server table.
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...
<HFSQL connection>.ReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server table (".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.
HAddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server tables.
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, ...
HFSQL Cluster functions
The following functions are used to manage an HFSQL cluster
Limitations of WINDEV, WEBDEV and WINDEV Mobile
A structure is a custom type of data...
<HFSQL connection>.StatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Overview of HFSQL Cluster
HFSQL Cluster is a database server intended to be deployed on several servers...
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy...
Debugging a connection to an HFSQL server
The stored procedures and the triggers are debugged from the environment, with real execution on the server...
<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 table (.FIC 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...
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database...
Installing and configuring HFSQL Cluster
Required configuration and overview for installing HFSQL Cluster.
HCheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server table.
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 table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
HCheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server table (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<Connection variable>.AddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server tables.
HCheckStructure (Function)
Defines the mode for comparing data files.
FicEncryption (Property)
The FicEncryption property is used to set the encryption method of a data file.
MmoEncryption (Property)
The MmoEncryption property is used to set the encryption method of the memo file (.MMO) associated with the data file.
NdxEncryption (Property)
The NdxEncryption property is used to configure the encryption method for the index (.NDX) file associated with the data file.
Extension (Property)
The Extension property is used to: get the extension of a file defined in the data model editor or through programming. define the extension of a file (when the file is described through programming only)....
Format (Property)
The Format property is used to define the data format of a data file.
HugeFile (Property)
The HugeFile property is used to configure the maximum size of a data file.
NbArrayElement (Property)
NbArrayElement is used to configure the number of elements in an array item.
AccentSensitive (Property)
The AccentSensitive property is used to determine if accented characters are taken into account in the different searches performed on the item (with HReadSeek, HReadSeekFirst and HReadSeekLast, for example).
CaseSensitive (Property)
The CaseSensitive property is used to determine if the different searches performed on the item distinguish between uppercase and lowercase characters (with HReadSeek, HReadSeekFirst and HReadSeekLast, for example).
HSetLog (Function)
Enables or disables log management on a file.
HSetMemo (Function)
Used to modify the management mode of memo items.
MmoPackMethod (Property)
The MmoPackMethod property sets the compression mode of a MMO file (containing text and binary memos) associated with a data file.
HChangeLocation (Function)
Modifies the search mode of physical data files (.FIC, .NDX, ...).
MinimumLength (Property)
The MinimumLength property is used to configure the minimum length of the words to be indexed.
KeyType (Property)
The KeyType property is used to set the characteristics of a key item.
SortType (Property)
The SortType property is used to: Find out the sort direction defined for an item or for a component of a composite key. This item was defined in the data model editor or programmatically. Define the sort direction for an item or for a component of a composite key (when describing the item through programming)....
PunctuationSensitive (Property)
The PunctuationSensitive property is used to determine if punctuation characters (comma, period, etc.) are taken into account in the different searches performed on the item (with HReadSeek, HReadSeekFirst and HReadSeekLast, for example).
CtDescribedOLEDBProvider (Property)
The CtDescribedOLEDBProvider property gets and sets the name of the OLE DB provider (also called OLE DB server).
CtDescribedAccess (Property)
The CtDescribedAccess property is used to set the type of access to the table when connecting to a specific table via OLE DB.
MinSourceCardinality (Property)
The MinSourceCardinality property gets and changes the minimum cardinality of the source item in the link.
ManageRTF (Property)
The Property ManageRTF property is used to set the RTF management mode in a full-text index.
NULL values: Allowing nullable types
Starting with version 2024, you can allow nullable types in a WINDEV, WEBDEV or WINDEV Mobile project......
CtDescribedPassword (Property)
The CtDescribedPassword property allows you to set the password used to open a table in an OLE DB connection (only for tables defined programmatically).