UPDATE db2.customer e1
SET
(
e1.userId,
e1.Email Id,
e1.Date of birth
)=
(SELECT ur.userId,ur.emailId,ur.dob FROM db1.user ur WHERE db1.user.mobileNo=db2.customer.mobile NO )
Database 1st and user table
mobileNo | userId |emailId | dob
---------------------------------------------------------
1111111111 | 1 | cve@gmail.com |30-12-2013
2222222222 | 2 | ehs@gmail.com |20-12-2012
5555555555 | 3 | hsdj@gmail.com |01-12-2013
6666666666 | 4 | tr@gmail.com |02-12-2010
database 2nd table customer
mobile No | userId | Email Id | Date of birth
--------------------------------------------------------------------
1111111111 | null | null |null
2222222222 | null | null |null
3333333333 | null | null |null
7777777777 | null | null |null
I want update my db2.customer
where phone number matches all update userId, Email Id, Date of birth
My query does not work---
Try this:
UPDATE db2.customer e1
INNER JOIN db1.user ur ON e1.mobileNo = ur.`mobile NO`
SET e1.userId = ur.userId,
e1.`Email Id` = ur.EmailId,
e1.`Date of birth` = ur.dob;
UPDATE db2.customer e1
SET e1.userId = e2.userId,
e1.Email Id=e2.Email Id,
e1.Date of birth=e2.Date of birth
FROM db1.user as 'e2'
WHERE
db1.user.mobileNo=db2.customer.mobileNO;
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