how to insert datas from one table to the other.

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I have two tables,mycode and mycode1

The two tables contain same field CODE and img. I need to insert the table2 to table 1 two tables. Both of them contain the same code numbers in CODE field.

eg: table 1

CODE img

110 null

111 null

112 image3.jpg

table 2

CODE img
110 imag1.jpg

111 image2.jpg

I need the output as

table2

CODE img
110 imag1.jpg

111 image2.jpg
112 image3.jpg

Posted 16-Jan-15 18:28pm

Member 11357862

Updated 16-Jan-15 18:29pm

v2

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2 solutions

Solution 2

SQL

INSERT INTO table2
SELECT * FROM table1 t1
WHERE t1.code NOT IN (select t2.code from table2 t2)

Posted 16-Jan-15 21:56pm

rk01kumarajesh

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Peter Leow · Accepted Answer · 2015-01-16T20:49:00

Solution 1

You asked:

Quote:
I need to insert the table2 to table 1

That should be an "update" operation since all the code's in table2 exist in table1.

SQL

update table1 set img=(select img from table2 where table1.code=code)
where exists (select * from table2 where table1.code=code);
select * from table1

Posted 16-Jan-15 20:49pm

Peter Leow

Updated 16-Jan-15 20:55pm

v2

Comments

Member 11357862 17-Jan-15 3:19am

Sir I hve executed the statement but it shows this error.
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
The statement has been terminated.

Peter Leow 17-Jan-15 3:29am

It means that your table2 has duplicate values in code field, say more than one 112, is that the case?

Member 11357862 17-Jan-15 4:05am

thank u sir for ur great help