ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2025
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items...
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display...
Select query description window
The description window of a select query includes several sections...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Items used in a select query
A query created in the query editor can contain several types of items...
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 in the result of the query.
Creating a select query
A select query (corresponding SQL statement...
Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found...
Example for creating a select query
This help page explains how to create two select queries...
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Test of a query
The query editor allows you to run the test of query result......
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......
Environment of the report editor
Environment of the report editor...
SQL statements
The main SQL statements allowed in the SQL queries managed by WINDEV and WEBDEV are as follows......
Environment of the data model editor
Environment of the project editor
The main elements of the project editor are as follows:
Environment of the window editor
The main elements of window editor are as follows:
General environment of WINDEV
Environment of code editor
Type (Property)
The Type property is used to get: the type of element (data file or item) defined programmatically or in the data model editor, view or query. the type of object. the type of data held in a Variant....
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time......
HExecuteQueryAsynchronous (Function)
Executes a SELECT query asynchronously.
SQL query (WLanguage type)
The "SQL query" type is used to write an SQL query in the WLanguage code.
Creating and testing a query with parameters
Regardless of the query type (Select, Insert, Delete, Update) and regardless of its creation mode (with the wizard or by SQL directly), you have the ability to use parameters. The name of the parameter is specified when creating the query....
10. Embedded queries
The controls from a window can be linked to a data file or existing query, ......
Snap-on grid
The different editors of WINDEV, WEBDEV and WINDEV Mobile allow you to align the elements via a snap-on grid......
Description window of query (insert, update or delete) or description window of a query in SQL code
The description window of a query (insert, update or delete) or the description window of a query in SQL code is used to......
Report based on a query
Queries are used to easily select records in one or more data files......
1. WINDEV editors
WINDEV editors...
1. WEBDEV editors
RecordSize (Property)
The RecordSize property is used to get the size (in bytes) of a record in: a file described in the data model editor, a file described through programming, an HFSQL view, a query....
SQLite: Programming with HFSQL functions
To use an SQLite database with Native Connector (also called Native Access), the structure of SQLite tables must be imported into the data model editor....
NbMemoItem (Property)
The NbMemoItem property is used to get the total number of memo items in a record of: a file described in the data model editor, a file described through programming, an HFSQL view, a query....
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword......
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