| 1. | Returns a character expression in reverse order
按相反顺序返回字符表达式。 |
| 2. | Returns the number of characters in a character expression
返回字符表达式中的字符数。 |
| 3. | Returns a part of a character expression
返回字符表达式的一部分。 |
| 4. | Returns a character expression after removing leading spaces
返回删除了前导空格的字符表达式。 |
| 5. | Returns a character expression after removing trailing spaces
返回删除了尾随空格的字符表达式。 |
| 6. | Returns a character expression , replicated a specified number of times
返回复制了指定次数后的字符表达式。 |
| 7. | Returns a character expression after removing leading and trailing spaces
返回删除了前导空格和尾随空格的字符表达式。 |
| 8. | Returns the unicode code value of the leftmost character of a character expression
返回字符表达式最左端字符的unicode代码值。 |
| 9. | Data types can also include an optional decimal point and dollar sign
数据类型的字符表达式还可以包含可选的小数点和美元符号( $ ) 。 |
| 10. | You can use the collate clause to cast a character expression to a certain collation
可以使用collate子句将字符表达式转换为某个排序规则。 |
