字符数据类型 meaning in English
char data type
Examples
- Character data types
字符数据类型 - Both are simple character data types meaning , to simplify a bit , any string
这两者都是简单字符数据类型（简单地说，就是任意字符串） 。 - However , this behavior does not apply to all character data types across all data sources
然而，这种行为并不适用于所有数据源上的所有字符数据类型。 - For example , you cannot join a column that has a numeric data type with a column that has a character data type
例如，不能将具有数值数据类型的列和具有字符数据类型的列相联接。 - Oracle has the concept of specifying a length and then specifying the actual storage size for some character data types
对于某些字符数据类型， oracle的观念是先指定长度，然后指定实际存储大小。