SQLReqExists (Function)

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SQLReqExists (Function)

In french: SQLReqExiste

Checks the existence of a query.

Versions 16 and later

This function is now available in Browser code.

The SQL functions are used to handle the local databases (such as Web SQL databases). For more details, see Accessing a database in local mode (SQLite).

New in version 16

This function is now available in Browser code.

The SQL functions are used to handle the local databases (such as Web SQL databases). For more details, see Accessing a database in local mode (SQLite).

This function is now available in Browser code.

The SQL functions are used to handle the local databases (such as Web SQL databases). For more details, see Accessing a database in local mode (SQLite).

Versions 19 and later

This function is now available in Android widget mode (accessing external databases via a Webservice).

This function is now available for Android applications (accessing external databases via a Webservice).

This function is now available for iPhone/iPad applications (accessing external databases via a Webservice).

New in version 19

This function is now available in Android widget mode (accessing external databases via a Webservice).

This function is now available for Android applications (accessing external databases via a Webservice).

This function is now available for iPhone/iPad applications (accessing external databases via a Webservice).

This function is now available in Android widget mode (accessing external databases via a Webservice).

This function is now available for Android applications (accessing external databases via a Webservice).

This function is now available for iPhone/iPad applications (accessing external databases via a Webservice).

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

// Checks the existence of a query
IF SQLReqExists("QRY1") = 1 THEN
Info("The query exists")
END

Syntax

<Result> = SQLReqExists(<Query name>)

<Result>: Boolean

True if the query exists,
False otherwise.

<Query name>: Character string

Name of the query created and executed with SQLExec, or executed with SQLExecWDR.
The queries created with the query editor must be specified in the format of a character string.
Versions 16 and later
Only the queries created and run by SQLExec are available.
New in version 16
Only the queries created and run by SQLExec are available.
Only the queries created and run by SQLExec are available.

Component: wd270hf.dll