摘要:
今天修改个DB upgrade version verify tool. 在写sql 语句的时候遇到一些问题,查了些资料才知道该如何写在SQL中如何使用like: 加N会将这个key声明为Unicode,否则为默认值It's declaring the string as nvarchar data type, rather than varcharYou may have seen Transact-SQL code that passes strings around using an N prefix. This denotes that the subsequent strin 阅读全文