ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Creating a delete query
A delete query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating a query
Two methods can be used to create a query...
Items used in a select query
A query created in the query editor can contain several types of items...
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...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Create an insert query
An insert 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...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files defined in the analysis...
Code history
The code history is used to...
Environment of the query editor
Creating a select query
A select query (corresponding SQL statement...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Select query description window
The description window of a select query includes several sections...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Example for creating a select query
This help page explains how to create two select queries...
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...
Test of a query
The query editor allows you to run the test of query result...
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.
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...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
10. Embedded queries
<Queue variable>.Info (Function)
Retrieves the characteristics of a queue: types of elements and number of elements.
The report editor
WINDEV, WEBDEV and WINDEV Mobile allow you to create reports with the report editor......
QueueInfo (Function)
Retrieves the characteristics of a queue: types of elements and number of elements.
ODBCSQLCode (Property)
ODBCSQLCode is used to: Find out the SQL code of the "query performed on a connection" (data source of report). Modify the SQL code of the "query performed on a connection" (data source of report)....
Binding an Edit control to an item
An Edit control can be bound to an item in a data file, query, etc, ......
iSkipPage (Function)
Generates a page break: the corresponding code is sent to the printer queue.
10. Embedded queries
<Source>.Add (Function)
Add: the record found in memory into the data file (query or view). the record found in a Record variable into the data file (query or view)....
HAdd (Function)
Adds: the record found in memory into the data file (query or view). the record found in a Record variable into the data file (query or view)....
Aliases on data files: HAlias
The aliases are used to handle......
Mathematical SQL functions
The mathematical SQL functions that can be used on the queries written in SQL code are as follows......
Native Oracle Connector: Retrieving the output value of a stored procedure
The Native Oracle Connector is used to: specify the input values during the call to a stored procedure. retrieve the output values after a call to a stored procedure....
Handling data files in PHP
WEBDEV allows you to create a PHP site that handles data files......
Queue, stack and list management functions
List of functions for managing the queues, the stacks and the lists...
Queue (Type of variable)
A Queue variable is a structured type that groups a set of elements of the same type.
SQLReqExists (Function)
Checks the existence of a query.
ODBCDatabaseName (Property)
ODBCDatabaseName is used to: Find out the name of the database used when printing a report based on a "query performed on a connection". Specify the name of the database used when printing a report based on a "query performed on a connection"....
TreeView Table control based on a data file
This type of TreeView Table control is linked to a data file or query......
Configuring Reports & Queries
Reports & Queries is used to......
Brochure of new features: New WINDEV features
New features in WINDEV 28 presented in the New Features brochure....
NbPendingThread (Property)
The NbPendingThread property is used to get the number of pending threads in a queue or in a stack.
Undocking the editors
Who has never wanted to view the code and the UI at the same time, without being constrained by the environment? WINDEV, WEBDEV and WINDEV Mobile allow you to "detach" the editors from the environment of the main window......
<Source>.ExecuteQueryAsynchronous (Function)
Executes a SELECT query asynchronously.
Query
The keyword "Query" is used to describe: