SQL将数据从一个表插入到另一个表

Question

i have a doubt. i need the syntax for SQL SERVER – how to Insert Data From One Table to Another Table?

Answer 1

use INSERT INTO..SELECT statement

INSERT INTO table2 (col1,...)
SELECT col1,...
FROM table1

• SQLFiddle Demo ( different records but have same thought )

Answer 2

Insert INTO Table1 (UserName) (Select UName From Table2 b Where Table1.EID = b.EID)

但显示消息：

The multi-part identifier "Table1.EID" could not be bound.