The grouping works well but it record displayed in the group is the first recorded entered into the DB but I would like the latest record to be displayed in each group. Is there a way to have the latest record displayed for each group? 2011-12-19 12:16:25 This is the first message ...
Re: SELECT the LATEST Record FOR Each UserID Rick James March 25, 2012 03:17PM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessaril...
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In MySQL how to select the top 2 rows for each group - To select the top 2 rows from each group, use the where condition with subquery. Let us create a table. The query to create a table is as follows:mysql> create table selectTop2FromEachGroup -> (
So basically we have an option of adding a column that returns the latest record, for each group last row(or first depend on your query) added a flag last= 1, and make all other rows’ flag last= 0. 1. By Trigger 2. By Manual programming changes Which ever works for...
select_type:表示SELECT语句的类型。 例如: 1、 SIMPLE表示简单查询,其中不包含连接查询和子查询。 2、 PRIMARY表示主查询,或者是最外面的查询语句。 3、 UNION表示连接查询的第2个或后面的查询语句。 DEPENDENT UNION:UNION中的第二个或后续的查询语句,使用了外面查询结果 ...
The SQL statement that is used for refined data filtering. If you configure this parameter, data is filtered based only on the value of this parameter. For example, if you want to join multiple tables for data synchronization, set this parameter toselect a,b from table_a join table_b on...
php$servername = "localhost";$username = "root";$password = "";// 创建连接$conn = new mysqli($servername, $username, $password);// 检查连接是否成功if ($conn->connect_error) {die("连接失败: " . $conn->connect_error);}// 执行查询$sql = "SELECT * FROM mydatabase.customers";$...
For example, set the CheckPoint Column Name parameter to id, the Initial Value of CheckPoint Column parameter to 0, and the SELECT Statement parameter to SELECT * FROM xxx WHERE ID > ?. Each time Logtail executes the SELECT statement, the system saves the ID of the last data record as th...
Failed checking the Router account authentication plugin: Error executing MySQL query "select host, plugin from mysql.user where user = 'user'": SELECT command denied to user 'user'@'host' for table 'user' (1142) As of this release, this error is not returned. (Bug #36225456) If MySQL...