WebJul 8, 2015 · SELECT filter FROM (SELECT 'Debit' AS filter FROM dual UNION ALL SELECT 'Credit' AS filter FROM dual UNION ALL SELECT 'Total' AS filter FROM dual) resultset ORDER BY CASE WHEN filter = 'Debit' THEN 1 WHEN filter = 'Credit' THEN 2 WHEN filter = 'Total' THEN 3 END; This is the solution without the FROM dual clauses: The ORDER BYkeyword is used to sort the result-set in ascending or descending order. The ORDER BY keyword sorts the records in ascending order by default. To sort the records in descending order, use the DESCkeyword. See more The following SQL statement selects all customers from the "Customers" table, sorted by the "Country" column: See more The following SQL statement selects all customers from the "Customers" table, sorted by the "Country" and the "CustomerName" … See more The following SQL statement selects all customers from the "Customers" table, sorted DESCENDING by the "Country" column: See more The following SQL statement selects all customers from the "Customers" table, sorted ascending by the "Country" and descending by the "CustomerName" column: See more
How to Order By Two Columns in SQL? LearnSQL.com
WebTwo columns in an ORDER BY can sort in the same direction (both ASC, or both DESC) or in opposite directions (one ASC, one DESC ). A condition for index use is that the index must … WebApr 10, 2024 · 3.6order by(排序) 3.6.1某字段默认排序 3.6.2某字段降序排序 3.6.3使用表达式及别名排序 3.6.4对多个字段进行排序 3.7where(条件查询) 3.7.1比较运算符 3.7.2逻辑操作符 3.8limit(分页) 4.修改数据 5.删除数据 1.CRUD CRUD就是增删改查的几个sql语句的首字母即create(创建)、查询(retrieve)、更新(update)、删除(delete)。 2.增加数据 2.1创建数据 创 … temperature to smoke fish
MySQL ORDER BY Statement Explained with Simple …
WebApr 14, 2024 · [解決済み】mysqlのselectは、null値でないもののみ。 [解決済み】mysql:カラムがnullの場合の行の選択 [解決済み】mysqlはクエリでorder byとlimitをどのように … WebApr 10, 2024 · 2.1创建数据. 创建一个数据库,语法为: create database 数据库名; 如创建一个名为test的数据库: mysql> create database test; Query OK, 1 row affected (0.00 sec) … WebApr 13, 2024 · 方式一: 首先修改mysql字符集,打开my.ini配置文件 (MySQL的配置文件),加入:character_set_server = utf8 方式二: show VARIABLES like 'character%'; 查看当前字符集,发现都是gbk等字符集,使用如下命令改变字符集: mysql> SET character_set_client = utf8 ; mysql> SET character_set_connection = utf8 ; mysql> SET … temperature to shrink heat shrink tubing