cast as integer

Original: http://www.2cto.com/database/201310/250880.htmlSQL cast and CONVERT usage detailed   Summary: The following applies only to Mysqlselect {fn CONCAT (CONVERT (User_id,char), user_name)} as Str from T_SYS_ User following this applies only to

Replace, concat, and cast character string functions in mysql need to export a personal information of job-seeking users. This information requires three-table joint query requirements: birthdate format: 1990.01.02 Database: Gender display: men and

Differences between the four cast operators of C ++Not my original ---------------------------------------------------------------------- Q: What is C style conversion? What are static_cast, dynamic_cast, and reinterpret_cast? What is the difference?

Statement by netmd: I am not original, from the Internet, and a collection of two posts. I personally think this is more complete. ---------------------------------------------------------------------- Q: What is C style conversion? What are

Q: What is C style conversion? What are static_cast, dynamic_cast, and reinterpret_cast? What is the difference? Why? A: The meaning of conversion is to change the expression of a variable by changing its type to another type. To convert a simple

The MYSQL Cast function is a very important MYSQL function. The following describes the syntax and usage of the MYSQL Cast function in detail, hoping that you can have a better understanding of the MYSQL Cast function. BINARYThe BINARY operator

The cast () function can be used to convert data types.The CAST () function has two parameters, the source value and the target data type, separated by the AS keyword.The following examples are tested by me.One, convert columns or valuesSyntax: Cast

First, cast functionThe cast function is a data type conversion of the data entered by the user, such as the number type of the data for the user data, the scale is 3 bits, and we can convert the user data into an int type of shaping data.The format

The cast () function can be used to convert data types. The CAST () function has two parameters, the source value and the target data type, separated by the AS keyword. The following examples are tested by me. First, convert a column or value Syntax:

First, the CONVERT functionCharacter Set conversions: convert (XXX USING gb2312) type conversions are the same as SQL Server, but differ on type parameters: CAST (xxx as type), convert (XXX, type), type must be of the following type:Available type