Sql 选择具有最高ID和指定列值的行

Sql 选择具有最高ID和指定列值的行,sql,sql-server,Sql,Sql Server,我对sql查询有问题。我有下表: ╔════╦═══════════════╦═════════════╦══════════╗ ║ ID ║ NAME ║ CITY ║ PCNUMBER ║ ╠════╬═══════════════╬═════════════╬══════════╣ ║ 1 ║ John Doe ║ New York ║ 42 ║ ║ 2 ║ John Doe ║ New York ║

我对sql查询有问题。我有下表:

╔════╦═══════════════╦═════════════╦══════════╗
║ ID ║     NAME      ║    CITY     ║ PCNUMBER ║
╠════╬═══════════════╬═════════════╬══════════╣
║  1 ║ John Doe      ║ New York    ║       42 ║
║  2 ║ John Doe      ║ New York    ║       42 ║
║  3 ║ John Doe      ║ New York    ║       42 ║
║  4 ║ John Doe      ║ Los Angeles ║       42 ║
║  5 ║ Ellen Ripley  ║ Nostromo    ║     2092 ║
║  6 ║ James T. Kirk ║ Riverside   ║     2233 ║
║  7 ║ Henry Jones   ║ Chicago     ║     1899 ║
╚════╩═══════════════╩═════════════╩══════════╝
现在,我想获取具有指定PCNUMBER(可以大于1)的行,但它只能为每个唯一PCNUMBER返回1个结果

假设我要的是PCNUMBER 42和2092的数据。结果将是:

╔════╦══════════════╦═════════════╦══════════╗
║ ID ║     NAME     ║    CITY     ║ PCNUMBER ║
╠════╬══════════════╬═════════════╬══════════╣
║  4 ║ John Doe     ║ Los Angeles ║       42 ║
║  5 ║ Ellen Ripley ║ Nostromo    ║     2092 ║
╚════╩══════════════╩═════════════╩══════════╝
我尝试了很多东西,但我似乎无法做到这一点:(希望你们能帮助我


很抱歉,如果有人已经有了类似的问题,但我找不到。

SQL Server支持
公共表表达式
窗口函数

WITH records
AS
(
    SELECT  ID, Name, City, PCNUMBER,
            ROW_NUMBER() OVER(PARTITION BY PCNUMBER ORDER BY ID DESC) rn
    FROM    TableName
)
SELECT  ID, Name, City, PCNUMBER
FROM    records
WHERE   rn = 1 AND
        PCNUMBER IN (42, 2092)
输出

╔════╦══════════════╦═════════════╦══════════╗
║ ID ║     NAME     ║    CITY     ║ PCNUMBER ║
╠════╬══════════════╬═════════════╬══════════╣
║  4 ║ John Doe     ║ Los Angeles ║       42 ║
║  5 ║ Ellen Ripley ║ Nostromo    ║     2092 ║
╚════╩══════════════╩═════════════╩══════════╝
单向

select T.* from T
    inner join (
        select 
            max(id) id
        from T
        where PCNUMBER in (42, 2092)
        group by PCNUMBER
    ) mx on mx.id = T.id

你将如何决定使用哪个城市的价值,即John Doe拥有纽约和洛杉矶。洛杉矶,因为它拥有最高的ID,我认为title@tomasmcguinness字体在标题中:“ID最高”非常感谢。这正是我想要的。