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Version: 2026

Select query description window
The description window of a select query includes several sections...
Creating an insert query
An insert query (corresponding SQL statement...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Example for creating a select query
This help page explains how to create two select queries...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
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, ...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
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.
Joins between the tables of a select query
When several tables are used in a query, the query editor automatically searches for the links between these tables defined in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a query
Two methods can be used to create a query...
Creating a select query
A select query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to tables to improve query performance.
Test of a query
The query editor allows you to run the test of query result...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Creating a delete query
A delete query (corresponding SQL statement...
Code history
The code history is used to...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
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...
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Items used in a select query
A query created in the query editor can contain several types of items...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
InputEnabled (Property)
The InputEnabled property is used to: Determine if a control or a group of controls is editable or read-only. Change the input options for a control or group of controls....
1. Creating windows to add and edit data
WINDEV Tutorial: WINDEV application: Managing data Lesson 1 - Creating windows to add and edit data - 50 min
Report based on an SQL query with data accessed via a connection (ODBC, etc.)
A report based on an SQL query with data accessed via a connection can print records from a database accessible via a specific ODBC driver or via a Native Connector......
List (Type of variable)
A List variable is a structured type that is used to group a set of elements of the same type.
Stack (Type of variable)
A Stack variable is a structured type that is used to group a set of elements of the same type.
Setting the initial focus to a control (AAF)
The context menu of Edit controls includes the option "Set initial focus to this control"......
RichEdit (Property)
The RichEdit property is used to manage the RTF (Rich Text Format) type: of an edit control or Static control found in a window. of a Static control found in a report....
WDInst: components and setup models
By default, the setup program installs all the specified files on the setup computer......
Constructor and destructor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default......
10. Internal components in practice
Instant spotting of modified code/current code
The modified lines of code are immediately visible......
Management of PDF files
PDF is one of the most widely used formats for transmitting and storing electronic documents......
Database schema associated with a project
When a WINDEV, WEBDEV or WINDEV Mobile project uses tables, it must be associated with a database schema......
REST web service: Creating entry points
The REST web service entry point creation wizard opens......
Nested reports
The nested reports are used to print several reports (secondary reports) in a single report (main report)......
13. Types of standard controls
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Sets the position directly on the desired bookmark in the PDF document....
Custom title bar with menus and controls
There is a new trend in UI design: application menus in the title bar!...
Internal component
An internal component is a set of elements from a project......
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