更多关于CAST函数的信息和示例,可以参考MySQL官方文档:MySQL CAST() Function。 如果你在使用腾讯云数据库时遇到问题,可以参考腾讯云数据库官方文档或联系腾讯云技术支持获取帮助。 相关搜索: mysql cast函数 mysql cast方法 mysql cast报错 mysql cast用法 mysql中cast 函数 ...
在MySQL中,可以使用CAST和CONVERT函数将一个字符串转换为IN或DOUBLE类型。 使用CAST函数将字符串转换为INT类型: SELECT CAST('10' AS INT); 复制代码 这将返回整型值10。 使用CAST函数将字符串转换为DOUBLE类型: SELECT CAST('10.5' AS DOUBLE); 复制代码 这将返回浮点型值10.5。 使用CONVERT函数将字符串转换...
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. ...
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 names are the same as the corresponding character set names. For example, this statement converts the string 'abc...
MySQL CAST() Function MySQL CONVERT() Function 通过上述信息,你应该对MySQL中的CAST函数有了全面的了解,并能够根据具体的应用场景选择合适的用法。 相关搜索: mysql cast函数 mysql cast方法 mysql支持cast mysql cast报错 mysql中cast 函数 mysql存储过程 cast in用法 mysql mysql and用法 mysql cast取消自动填充 ...
MySQL CAST function examples In the following example, MySQL converts a string into an integer implicitly before doing calculation: SELECT (1 + '1')/2; To explicitly convert a string into an integer, you use theCAST()function as the following statement: ...
1 row in set (0.00 sec) MySQL CAST() function The CAST() function is used to convert the type of an expression to a specified type. The function is similar to CONVERT() function. Syntax: CAST() function: >CAST(expr AS type)) ...
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 names are the same as the corresponding character set names. For example, this statement converts the string 'abc...
Summary: in this tutorial, we will show you how to use MySQL CAST function to convert a value of any type into a value with a specified type. Introduction to MySQL CAST function The syntax of the MySQL CAST() function is as follows: CAST(expression AS TYPE) The CAST() function convert...
By using the CAST() function to treat the values of building as a CHAR data type, we make ... Get MySQL in a Nutshell, 2nd Edition now with the O’Reilly learning platform. O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and near...