Is table number valid

4D - Documentation   Français   English   German   Spanish   4D v11 SQL, Command Theme List   4D v11 SQL, Command Alphabetical List   4D v11 SQL, Constant Theme List   Back   Previous   Next

version 11


Is table number valid (tableNum) Boolean

ParameterTypeDescription
tableNumLongintTable number
Function resultBooleanTrue = table exists in database,
False = table does not exist in database

Description

The Is table number valid command returns True if the table whose number is passed in the tableNum parameter exists in the database and False otherwise. Keep in mind that the command returns False if the table is in the Trash of the Explorer.

This command can be used to detect any table deletions, which create gaps in the sequence of table numbers.

See Also

Get last table number, Is field number valid.


4D - Documentation   Français   English   German   Spanish   4D v11 SQL, Command Theme List   4D v11 SQL, Command Alphabetical List   4D v11 SQL, Constant Theme List   Back   Previous   Next