在SQL語句中使用OR的正確方法

Question

我將dapper micro orm與sql server結合使用。

 string author = "some author name";
 var get_book_from_name = "SELECT BookId FROM Author WHERE FirstName OR LastName LIKE('%' +@AuthorName +'%')";
 var data = this.db.Query<Book>(getBookFromAuthorName, new { AuthorName = author }).SingleOrDefault();

並且在查詢語句中使用OR語句時出現錯誤。

Answer 1

SELECT BookId FROM Author WHERE
    FirstName LIKE '%'+@AuthorName+'%' OR LastName LIKE '%'+@AuthorName+'%'