What is the new method of SQL joins

Dear all,

What is the new method of SQL joins

1

SELECT <fields>
  FROM TableA a INNER JOIN TableB b ON a.key = b.key

2

SELECT <fields>
  FROM TableA a, TableB b
 WHERE a.key = b.key

Above the two queries work very well in PL/SQL, but request that no 1 does not work in Oracle Forms 10 g

Kind regards

Zafar Iqbal

Hello

Zafar Iqbal wrote:

Dear all,

What is the new method of SQL joins

1

  1. SELECT
  2. TableA, TableB INNER JOIN a and b WE a.key, b.key =

2

  1. SELECT
  2. FROM TableA, TableB b
  3. WHERE a.key, b.key =

Above the two queries work very well in PL/SQL, but request that no 1 does not work in Oracle Forms 10 g

Kind regards

Zafar Iqbal

What, exactly, is your question?

Literally ask you which of these 2 methods is new?  As mentioned above, none is really new.  Both participated in Oracle at least 13 years.

Query 1, above, ANSI join syntax uses, which is more recent.   As mentioned above, Oracle has started to support that the syntax in version 9.1 (2001) previous versions only supported syntax used in query 2.

Did you mean to ask something else?  Maybe "How can I use a query as a query 1 forms?" or "are there other places where a method works, but the other is not?

Tags: Database

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