| title | IsNull (geometry Data Type) | |
|---|---|---|
| description | IsNull (geometry Data Type) | |
| author | MladjoA | |
| ms.author | mlandzic | |
| ms.date | 09/12/2017 | |
| ms.service | sql | |
| ms.subservice | t-sql | |
| ms.topic | reference | |
| ms.custom |
|
|
| f1_keywords |
|
|
| helpviewer_keywords |
|
|
| dev_langs |
|
[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance FabricSQLDB]
The type of a geometry instance is null. Returns 0 if the instance isn't null.
.IsNull
[!INCLUDEssNoVersion] type: bit
CLR type: SqlBoolean
IsNull can be used to test whether a geometry instance is null. IsNull returns 0 if the instance isn't null, but null if the instance is null.
This method is primarily used by the SQL Server infrastructure; it isn't recommended that you use IsNull to test whether an instance is null.