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. Tip:Also look at theCONVERT()function. ...
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...
FunctionDescription CAST Converts a value (of any type) into a specified datatype COALESCE Returns the first non-null value in a list CONVERT Converts a value (of any type) into a specified datatype CURRENT_USER Returns the name of the current user in the SQL Server database IIF Returns...
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 ...
For example, MySQL only supports DATE, DATETIME, DECIMAL, TIME, CHAR, NCHAR, SIGNED, UNSIGNED, and BINARY as target cast data types. Now, suppose you want to convert the string “123” to an INT. This is how you can with this CAST SQL Server query: Copy 1 SELECT CAST('123' AS ...
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...
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 ...
适用于:SQL ServerAzure SQL 数据库Azure SQL 托管实例Microsoft Fabric SQL 数据库SQL Server 2016 (13.x) 引入了实时运营分析,可以同时对同一个数据库表运行分析和 OLTP 工作负载。 除了实时运行分析以外,你还可以消除对 ETL 和数据仓库的需求。实时运营分析介绍...
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 ...
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 ] ...