The following example uses the SQL SELECT command to retrieve data from the Product_ID field in the Products table from the Visual FoxPro sample database, TestData.dbc. The example uses the CAST( ) function to convert the results returned from the expression unit_Cost * in_Stock, which ...
SQL - CAST() Function - The primary purpose of the SQL CAST() function is to transform an expression from one data type to another. This function produces an error if the SQL Server CAST function is unable to convert a declaration to the desired data typ
The CAST function converts a value from one data type to another and provides a data type to a dynamic parameter (?) or a NULL value. CAST expressions are permitted anywhere expressions are permitted. Syntax CAST ( [ Expression | NULL | ? ] AS Datatype) The data type to which you ...
Function list in alphabetical order abs function acos function acosh function add_months function aes_decrypt function aes_encrypt function aggregate function ai_analyze_sentiment function ai_classify function ai_extract function ai_fix_grammar function ai_forecast function ai_gen function ai_generate_text...
Example 1: MySQL CAST() Function Let us look at some example usage of the cast function in MySQL. selectcast(100aschar)asout_; The previous example uses the CAST() function to convert an int type to a string. Output: out_| ---+ 100...
SQL-92 CAST 函数 项目 2023/05/23 SQL-92 中定义的CAST函数等效于 ODBC 中定义的CONVERT函数。 等效函数的语法如下所示: { fn CONVERT (value-exp, data-type) } /* ODBC CAST (value-exp AS data-type) /* SQL92 SQL-92CAST函数要求哪些数据类型可以转换为其他数据类型。 (有关详细信息,请参阅 SQL...
SQL ServerCAST()function converts an expression of one data type to another data type. It is recommended to use theTRY_CAST()function over theCAST()function to minimize errors. CAST(expression AS final_data_type(length)) Parameters expression:Any valid expression that has to be converted. ...
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. ...
MySQLCAST()Function ❮Previous❮ MySQL FunctionsNext❯ ExampleGet your own SQL Server Convert a value to a DATE datatype: SELECTCAST("2017-08-29"ASDATE); Try it Yourself » Definition and Usage The CAST() function converts a value (of any type) into the specified datatype. ...
CONVERT(expr USING transcoding_name) is standard SQL syntax. The non-USING form of CONVERT() is ODBC syntax. Regardless of the syntax used, the function returns NULL if expr is NULL. CONVERT(expr USING transcoding_name) converts data between different character sets. In MySQL, transcoding na...