sql中的员工姓名排序时，如何优先考虑单个员工？

Question

我 table 喜欢 TB1:

Emp_name  Dept_name  salary
Girish    BB          20000
Bhanu     AA          10000
Mahesh    CC          10000
Seema     YY          30000

我需要的输出是：

Emp_name  Dept_name  salary
Mahesh    CC          10000
Bhanu     AA          10000
Girish    BB          20000
Seema     YY          30000

这里我所做的是优先'Mahesh'，其余所有员工都按升序排列。

我试过这个查询：

SELECT *
FROM Employee
ORDER BY CASE
    WHEN Emp_name LIKE '%Mahesh%' THEN 1
    WHEN Emp_name LIKE '%' THEN 2
    ELSE 3
end;

感谢您的宝贵时间。

Answer 1

只需使用正确的 ORDER BY 子句：

示例数据：

SELECT *
INTO Employee
FROM (VALUES
   ('Girish', 'BB', 20000),
   ('Bhanu',  'AA', 10000),
   ('Mahesh', 'CC', 10000),
   ('Seema',  'YY', 30000)
) Employee (Emp_name, Dept_name, Salary)

声明：

SELECT *
FROM Employee
ORDER BY 
   CASE
      WHEN Emp_name LIKE '%Mahesh%' THEN 1
      ELSE 2
   END,
   Emp_name ASC

Answer 2

我的解决方案：

   SELECT Emp_name, Dept_name, Salary FROM (
select T.*,
       CASE
         WHEN Emp_name = 'Mahesh' THEN
          0
         ELSE
          1
       END SORT1
  from (VALUES
   ('Girish', 'BB', 20000),
   ('Bhanu',  'AA', 10000),
   ('Mahesh', 'CC', 10000),
   ('Seema',  'YY', 30000)
) T (Emp_name, Dept_name, Salary)) TT
  ORDER BY TT.SORT1,TT.Emp_name

Answer 3


SELECT *
FROM Employee
ORDER BY 
   CASE
      WHEN Emp_name Like '%Mahesh%' THEN 1
      ELSE 2
   END,
   Dept_name ASC, salary ASC

Answer 4

运行此查询在 TB1 table

CREATE TABLE TB2
SELECT * FROM TB1 ORDER BY salary ASC;

TB2 在何处创建运行此查询

SELECT * FROM TB2 ORDER BY Dept_name='cc' DESC;

sql中的员工姓名排序时，如何优先考虑单个员工？

How to give priority to a single employee while sorting the employee name in sql?

sql

sql-server

tsql

sql-query-store