csharp,using System.Data.SqlClient;,,string connectionString = "your_connection_string";,string query = "INSERT INTO your_table (column1, column2) VALUES (@value1, @value2)";,,using (SqlConnection connection = new SqlConnection(connectionString)),{, SqlCommand command = new SqlCommand(query, connection);, command.Parameters.AddWithValue("@value1", value1);, command.Parameters.AddWithValue("@value2", value2);,, connection.Open();, command.ExecuteNonQuery();,},
``asp,Dim str,str = "",,If str = "" Then, Response.Write "字符串是空的",Else, Response.Write "字符串不是空的",End If,
``ORDER BY
子句结合 LIMIT
或 TOP
关键字。,,``sql,SELECT * FROM table_name ORDER BY id DESC LIMIT 1;,
`,,或者在 Microsoft SQL Server 中使用:,,
`sql,SELECT TOP 1 * FROM table_name ORDER BY id DESC;,
``,,这样就可以获取表中的最后一条记录。Powered By Z-BlogPHP 1.7.3