How to copy data from one table to another table in SQL SERVER

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1.    If we want to create new table containing same column and records  as specify within existing table then following SQL command will be  used:-
SYNTAX:-
select *into[new table] from [existing table]
Example:-
Here I have a student table (already build). we want to copy this table data to another new table(student4) by creating new table(student4)  at run time .

select *into student4 from student

See the student4 records.
select*from student4


  2. Copy the data in two existing table.
SYNTAX:
insert [first table] select *from[second table]
Example:-
Here i have two table (student, student1).we want to copy student table data to student1 table.
insert student1 select *from student

 see the student1 table data.
select*from student1


 3. Copy two table data when both table's Data type is different.
SYNTAX:-
insert into [first table](column2,column3,column1)select(column2,column3,column1)from [Second table]
Example:-
Here I have two table (emp4 and student).here both table Data type sequence is not same.
See  First table:-


See Second table:-


 SQL QUERY to copy the student table data to the emp4 table :-


insert into emp4(sid,sname,sage)select sid, sname,sage from student

SEE IT:
For More:-

I hope this helpful for you.
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