锟斤拷锟斤拷位锟矫ｏ拷锟斤拷页 > 锟斤拷锟斤拷锟教筹拷 > 锟教筹拷 > 统锟斤拷锟街凤拷锟斤拷锟斤拷锟截讹拷锟街凤拷锟斤拷锟街的达拷锟斤拷

统锟斤拷锟街凤拷锟斤拷锟斤拷锟截讹拷锟街凤拷锟斤拷锟街的达拷锟斤拷

锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷|锟斤拷时锟戒：2024-09-24 09:45:54 |锟斤拷锟侥讹拷锟斤拷122锟斤拷|锟斤拷锟斤拷签锟斤拷一锟斤拷锟斤拷锟斤拷 |锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

统锟斤拷一锟斤拷锟街凤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷值拇锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟斤拷锟捷匡拷锟斤拷锟斤拷校锟酵筹拷锟斤拷址锟斤拷锟斤拷锟侥筹拷锟斤拷囟锟斤拷址锟斤拷锟斤拷值拇锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷欠锟斤拷锟斤拷谋锟斤拷锟斤拷荨锟斤拷锟绞斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷锟饺凤拷锟斤拷锟斤拷锟揭伙拷锟斤拷裕锟斤拷址锟斤拷锟斤拷执锟斤拷锟斤拷锟酵筹拷贫锟斤拷诳锟斤拷锟斤拷锟皆憋拷锟斤拷锟斤拷菘锟斤拷锟斤拷员锟斤拷说锟斤拷锟斤拷一锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷饪达拷萍虻ィ锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷菘锟斤拷锟斤拷系统锟斤拷锟斤拷锟矫猴拷锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷锟斤拷飧达拷拥锟窖拷锟�

锟斤拷锟斤拷
锟斤拷锟斤拷锟捷匡拷锟斤拷锟斤拷校锟酵筹拷锟斤拷址锟斤拷锟斤拷锟斤拷囟锟斤拷址锟斤拷锟斤拷值拇锟斤拷锟斤拷锟揭伙拷畛ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷欠锟斤拷锟斤拷谋锟斤拷锟斤拷荨锟斤拷锟绞斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷锟饺凤拷锟斤拷锟斤拷锟揭伙拷锟斤拷裕锟斤拷址锟斤拷锟斤拷执锟斤拷锟斤拷锟酵筹拷贫锟斤拷诳锟斤拷锟斤拷锟皆憋拷锟斤拷锟斤拷菘锟斤拷锟斤拷员锟斤拷说锟斤拷锟斤拷一锟斤拷锟斤拷要锟斤拷锟今。撅拷锟斤拷锟斤拷锟斤拷锟斤拷饪达拷萍虻ィ锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷菘锟斤拷锟斤拷系统锟斤拷锟斤拷锟矫猴拷锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷锟斤拷飧达拷拥锟窖拷锟斤拷锟斤拷侄锟斤拷锟斤拷锟斤拷锟組ySQL 锟斤拷 SQL Server 锟斤拷锟结供锟剿硷拷锟侥凤拷锟斤拷锟斤拷通锟斤拷锟街凤拷锟斤拷锟斤拷锟饺猴拷锟斤拷锟斤拷锟芥换锟斤拷锟斤拷锟侥斤拷希锟斤拷锟斤拷锟绞碉拷锟斤拷址锟酵筹拷啤锟�

MySQL 实锟斤拷锟街凤拷统锟斤拷
锟斤拷 MySQL 锟叫ｏ拷锟斤拷锟斤拷使锟斤拷 LENGTH() 锟斤拷锟斤拷锟斤拷锟斤拷取锟街凤拷锟斤拷锟侥筹拷锟饺ｏ拷然锟斤拷通锟斤拷 REPLACE() 锟斤拷锟斤拷锟斤拷目锟斤拷锟街凤拷锟芥换为锟秸ｏ拷锟斤拷锟斤拷偌锟斤拷锟斤拷婊伙拷锟斤拷锟街凤拷锟斤拷锟斤拷锟饺★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷傻玫锟侥匡拷锟斤拷址锟斤拷某锟斤拷执锟斤拷锟斤拷锟�

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锟斤拷锟酵ｏ拷
LENGTH('abc-abc-abc') 锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟杰筹拷锟饺ｏ拷锟斤拷 11 锟斤拷锟街凤拷锟斤拷
REPLACE('abc-abc-abc', 'a', '') 锟斤拷锟街凤拷锟斤拷锟叫碉拷锟斤拷母 'a' 锟芥换为锟斤拷锟街凤拷锟斤拷锟斤拷锟轿� "bc-bc-bc"锟斤拷锟戒长锟斤拷为 8锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷 'a' 锟斤拷锟街的达拷锟斤拷锟斤拷11 - 8 = 3锟斤拷

SQL Server 实锟斤拷锟街凤拷统锟斤拷
锟斤拷 SQL Server 锟叫ｏ拷同锟斤拷锟斤拷锟斤拷使锟斤拷 LEN() 锟斤拷锟斤拷锟斤拷 REPLACE() 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷牟锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷锟角ｏ拷SQL Server 锟叫碉拷 LEN() 锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟侥┪诧拷目崭锟�

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LEN('abc-abc-abc') 锟斤拷锟斤拷锟街凤拷锟斤拷锟侥筹拷锟斤拷为 11锟斤拷
REPLACE('abc-abc-abc', 'a', '') 锟斤拷锟斤拷锟叫碉拷 'a' 锟芥换为锟秸ｏ拷剩锟铰碉拷锟街凤拷锟斤拷 "bc-bc-bc" 锟斤拷锟斤拷为 8锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷玫锟斤拷址锟� 'a' 锟斤拷锟街的达拷锟斤拷锟斤拷11 - 8 = 3锟斤拷

锟杰斤拷
锟斤拷锟斤拷锟斤拷 MySQL 锟斤拷锟斤拷 SQL Server锟斤拷统锟斤拷锟街凤拷锟斤拷锟斤拷锟截讹拷锟街凤拷锟斤拷锟街的达拷锟斤拷锟斤拷锟角筹拷锟津单★拷通锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟侥筹拷锟饺诧拷锟届，锟斤拷锟角匡拷锟皆匡拷锟劫得碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫╋拷锟揭拷锟叫э拷锟斤拷锟斤拷址锟酵筹拷频某锟斤拷锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷强锟斤拷锟斤拷实锟矫的★拷锟矫伙拷锟斤拷锟皆革拷锟斤拷实锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接︼拷玫锟斤拷锟斤拷锟斤拷拥牟锟窖拷校锟斤拷锟斤拷锟斤拷锟斤拷越锟斤拷锟斤拷装锟缴猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸猴拷锟绞癸拷谩锟�

锟轿匡拷锟斤拷锟斤拷
https://news.west.cn/39450.html
https://e.huawei.com/cn/industries/commercial-market/active-active-data-center-solution
https://stor.zol.com.cn/374/3741281.html
https://blog.csdn.net/hjx020/article/details/106588133/

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