oracle 忘记账号 密码怎么办Oracle统计邮件域的语句

Oracle统计邮件域的语句

 

select substr(lower(t1.email),instr(t1.email,'@',-1)) 
 

DOMAIN,COUNT(distinct t1.email) from FEG_ISU.LOYALTY_MEMBER T1&noracle账号bsp;
 

 where  T1.EMAIL IS NOT NULL  www.2cto.com  

 AND T1.EMAIL LIKE '%@%'
 

 AND LENGTH(t1.EMAIL)=LENGTHB(t1.EMAIL)

GROUP BY substr(lower(t1.email),instr(t1.email,'@',-1)) order by 2 desc; 

 

 

 

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