--- description: "SQLNumParams" title: "SQLNumParams | Microsoft Docs" ms.custom: "" ms.date: "03/14/2017" ms.prod: sql ms.reviewer: "" ms.technology: native-client ms.topic: "reference" ms.assetid: 8e0c7d87-d7f2-455a-bfb8-67066adc04f9 author: markingmyname ms.author: maghan monikerRange: ">=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current" --- # SQLNumParams [!INCLUDE[SQL Server Azure SQL Database Synapse Analytics PDW ](../../includes/applies-to-version/sql-asdb-asdbmi-asa-pdw.md)] Improvements in the database engine beginning with [!INCLUDE[ssSQL11](../../includes/sssql11-md.md)] allow SQLNumParams to obtain more accurate descriptions of the expected results. These more accurate results may differ from the values returned by SQLNumParams in previous versions of [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]. For more information, see [Metadata Discovery](../../relational-databases/native-client/features/metadata-discovery.md). ## See Also [SQLNumParams Function](../../odbc/reference/syntax/sqlnumparams-function.md) [ODBC API Implementation Details](../../relational-databases/native-client-odbc-api/odbc-api-implementation-details.md)