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update A as C,A in [ODBC][ODBC;Driver=SQL Server;Server=XX;Uid=XX;Pwd=XX;database=XX]
set
A.CustomerName=C.CustomerName,
A.MobilePhone=C.MobilePhone
where C.ID=A.ID

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update A as C,[ODBC][ODBC;Driver=SQL Server;Server=XX;Uid=XX;Pwd=XX;database=XX].a as b
set
b.CustomerName=C.CustomerName,
b.MobilePhone=C.MobilePhone
where C.ID=A.ID

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update A as C,[ODBC;Driver=SQL Server;Server=XX;Uid=XX;Pwd=XX;database=XX].a as b
set
b.CustomerName=C.CustomerName,
b.MobilePhone=C.MobilePhone
where C.ID=A.ID

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update A as C,[ODBC;Driver=SQL Server;Server=XX;Uid=XX;Pwd=XX;database=XX].a as b
set
b.CustomerName=C.CustomerName,
b.MobilePhone=C.MobilePhone
where C.ID=A.ID

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SQL code:
update A as C,[ODBC;Driver=SQL Server;Server=XX;Uid=XX;Pwd=XX;database=XX].a as b
set
b.CustomerName=C.CustomerName,
b.MobilePhone=C.MobilePhone
where C.ID=b.ID


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