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Version: 2026

SQL selection conditions
To specify the selection conditions in an SQL query, you can use......
Accessing a database via a web service
The database can be accessed via a web service......
SQL query (WLanguage type)
The "SQL query" type is used to write an SQL query in the WLanguage code.
OOP concepts
A class contains the description of a data structure (members) and the processes (methods) that handle this structure....
"Is Class" operator
The "is <Class>" operator is used to find out whether the object used in an object of the class (or an object of one of its derived classes)...
Associated (Property)
The Associated property determines if an element belongs to the base class or to an associated class.
SQL functions for handling spatial data
Below are the main SQL functions that can be used to handle spatial data in SQL queries......
The "Code" pane
The "Code" pane is used to handle the procedures (local and global procedures) and the classes found in the current project ("Global procedures", "Local procedures" and "Classes" options)......
SQL view
An SQL view is a virtual data source defined by an SQL query......
How to create and run an SQL query through programming?
This help page explains how to create and run an SQL query through programming....
Error 1001: The operators: and:: can only be used in the methods of classes
Organizer control linked to a table or to a variable
It is possible to create Organizer control fields directly linked to data.....
Native SQL Server Connector: Programming with HFSQL functions
To use an SQL Server database with Native Connector, the structure of SQL Server tables must be imported into the data model analysis......
The use of the Automation type in a site is reserved for the advanced users
FileToArray (Function)
Fills an array of classes or structures with the content of an HFSQL table or query.
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
Error 1054: 'Ancestor' cannot be used outside the code of a class
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