How to use the set operator
Hi all
Table 1: -.
NAME NO.
A 10
B 20
Table2: -.
NO ENAME
10
20 DF
I want to output as a Set operator using
NO NAME NO ENAME
A 10 EC
B 20 DF
Thank you
Try this,
with t1 in (select 'A' name, 10 no double
Union select name from 'B', 20 no double), t2 as (select 10 no, 'THIS' double ENAME
Union select 20 no, "DF" double ENAME)
Select name, t1.no, ename from t1, t2 where t1.no = t2.no;
Please tell me why you use the operation?
Thank you
Gérard
Tags: Database
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