ExampleGet your own SQL Server Convert a value to an int datatype: SELECTCAST(25.65ASint); Try it Yourself » Definition and Usage The CAST() function converts a value (of any type) into a specified datatype.
Examples of the SQL CAST Function Here are some examples of the SQL CAST function. I find that examples are the best way for me to learn about code, even with the explanation above. First of all, let’s set up the CUSTOMERS table. CREATETABLEcustomers(first_namevarchar(100),last_namevar...
SQL Server Advanced Functions FunctionDescription CASTConverts a value (of any type) into a specified datatype COALESCEReturns the first non-null value in a list CONVERTConverts a value (of any type) into a specified datatype CURRENT_USERReturns the name of the current user in the SQL Server...
Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result of ...
Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result...
Applies to: SQL Server SSIS Integration Runtime in Azure Data FactoryExplicitly converts an expression from one data type to a different data type. The cast operator can also function as a truncation operator.SyntaxKopija (type_spec) expression ...
DECLARE@mybin1 VARBINARY(5), @mybin2 VARBINARY(5);SET@mybin1 =0xFF;SET@mybin2 =0xA5;-- No CONVERT or CAST function is required because this example-- concatenates two binary strings.SELECT@mybin1 + @mybin2; 在此示例中,需要一个或CAST一个CONVERT函数,因为此示例连接两个二进制字符串和...
Explicit conversions use the CAST or CONVERT functions. The CAST and CONVERT functions convert a value (a local variable, a column, or another expression) from one data type to another. For example, the following CAST function converts the numeric value of $157.27 into a character string of ...
using System; using System.Collections; using System.Text; using Microsoft.SqlServer.Server; // SqlFunction Attribute using Microsoft.SqlServer.Types; // SqlHierarchyId public partial class HierarchyId_Operations { [SqlFunction(FillRowMethodName = "FillRow_ListAncestors")] public static IEnumerable List...
CREATE FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ][ type_schema_name. ] parameter_data_type [ = default ] } [ ,...n ] ] ) RETURNS return_data_type [ WITH <function_option> [ ,...n ] ] [ AS ] ...