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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

SQL statements
The main SQL statements allowed in the SQL queries managed by WINDEV and WEBDEV are as follows...
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword...
SQL: Managing joins (INNER JOIN, OUTER JOIN)
To select records coming from several data files, joins must be used in the SQL query...
Creating a query in SQL code
The query editor allows you to create a query by typing SQL code...
SQL selection conditions
To specify the selection conditions in an SQL query, you can use...
SQL : ORDER BY clause: Organizing the result of a query
The ORDER BY clause is used to sort the records selected by an SQL query...
SQL commands available in an SQL query
WINDEV allows you to easily run queries in SQL code...
MariaDB Native Connector: Features and notes
This page presents the main aspects and requirements of the Native MariaDB Connector...
CodeGetCSSDeclarations
Returns a CSS style sheet corresponding to a WLanguage code theme.
Note: This function is only available from version 2026 - Update 1.
<Source>.ExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
<Source>.ExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
<SQLCodeFormatting variable>.Format (Function)
Applies formatting to SQL code: syntax highlighting, style standardization, etc.
Note: This function is only available from version 2026 - Update 1.
SQLCodeFormat (Function)
Applies formatting to SQL code: syntax highlighting, style standardization, etc.
Note: This function is only available from version 2026 - Update 1.
Native MariaDB Connector for WINDEV and WEBDEV
WINDEV and WEBDEV offer a Native Access Connector to MariaDB ...
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order...
<Source>.PrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order...
Multi-database queries
A query (typed in SQL code) can operate on different databases......
Handling data files in PHP
WEBDEV allows you to create a PHP site that handles data files......
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file......
How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without...
How to sort the result of a query?
This help page explains how to create a sort query with the query editor....
HConnect (Function)
Redefines one or more connection parameters via Native Connector (Access, SQL Server, MySQL...
Sub-query
A sub-query is a query whose result is used by another query......
Handling a database from a Java application
You can start developing your application as soon as the WINDEV project is defined as being a Java...
Check: Connectivity to the external databases (by ODBC)
The monitoring robot will attempt to connect to an external database (MySQL, SQL Server, ......
Database access: summary
WINDEV and WEBDEV support different SQL query execution modes depending on how the database...
WDSQL: Database structure
WDSQL is used to find out the structure of the accessed database......
HFSQL Control Center: Creating and executing a query
The HFSQL Control Center allows you to create a query based on the data files of the database...
How to loop through a file using filters?
WDSQL: Creating and running a script
A script is a set of SQL commands used to perform a specific operation (create a new table...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ......
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed...
Accessing a database via a web service
The database can be accessed via a web service......
Creating a select query
A select query (corresponding SQL statement......
WDSQL: Connecting to a database
The first operation to perform in order to use WDSQL is to establish the connection...
Query editor
The query editor is used to automatically create queries on the data files......
Materialized view
LINUX: Accessing the ODBC databases
The native access to HFSQL Classic and Client/Server is available for the WINDEV applications...
Creating a query
Two methods can be used to create a query......
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