本文介紹了TSQL RIGHT 字符串函數(shù)不起作用的處理方法,對(duì)大家解決問(wèn)題具有一定的參考價(jià)值,需要的朋友們下面隨著小編來(lái)一起學(xué)習(xí)吧!
問(wèn)題描述
我無(wú)法理解為什么 RIGHT 函數(shù)對(duì)我不起作用.我試圖在此處放入盡可能多的輸出,如果閱讀起來(lái)令人困惑,我深表歉意.
I am having trouble understanding why the RIGHT function is not working for me. I tried to fit as much output in here, my apologies if it is confusing to read.
DECLARE @Nbr VARCHAR(27)
SELECT @Nbr = xmz.nbr
FROM @xml_temp AS xmz
SELECT @Nbr AS 'Number',
LEFT(@Nbr, 4) AS 'LEFT',
LEN(@Nbr) AS 'Length',
SUBSTRING(@Nbr, 10, 4) AS 'SUBSTRING',
RIGHT(@Nbr, 4) AS 'RIGHT'
號(hào)碼:154448887859999
左:1544
長(zhǎng)度:15
子字符串:9999
右圖:空
Number: 154448887859999
LEFT: 1544
Length: 15
SUBSTRING: 9999
RIGHT: EMPTY
推薦答案
可能有空格,LEN 不計(jì)算空格而 DATALENGTH 計(jì)算
spaces perhaps, LEN doesn't count spaces while DATALENGTH does
你能跑嗎
SELECT DATALENGTH(@Nbr) AS 'Length',
RIGHT(RTRIM(@Nbr), 4) AS 'RIGHT'
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