char type

Is it has integer and char or float data type?

有整型,字符,浮点这样的数据类型 吗 ?

The CHAR data type provides a performance boost because the database knows exactly how big every CHAR column will be and can make certain performance optimizations when reading or writing the data.

CHAR数据类型有助于性能提高，因为数据库确切地知道每个CHAR列有多大，所以在读写数据时就可以执行某种性能优化。

Error: While formatting the check out time to a char type.

错误: 当把检验时间格式化为一个字符类型时.

The unsigned char data type, and byte data type will yield incorrect results and act as though they are signed types i.e.type char.

无符号字符数据类型和二进制数据类型将产生错误的计算结果，会当成有符号的数据类型进行计算。

Character and the value of the constant expression is representable in the type char.

在char类型中,Character和常量表达式的值是可表示的.