'Missing select' error for update statement using WITH clause

Question

Hi,
I am getting the below error for update statement using WITH clause
SQL Error: ORA-00928: missing SELECT keyword
  UPDATE A
  set A.col1 = 'val1'
     where
  A.col2 IN (
  WITH D AS
  SELECT col2 FROM
  (SELECT col2, MIN(datecol) col3 FROM DS
  WHERE <conditions>
    GROUP BY PATIENT) D2
  WHERE
  <conditions on A.col4 and D2.col3>

Answer 1

Hi,
The format of a query using WITH is:
WITH  d  AS
    SELECT  ...  -- sub_query
SELECT  ...   -- main query
You don't have a main query.  The keyword FROM has to come immediately after the right ')' that ends the last WITH clause sub-query.
That explains the problem based on what you posted.  I can't tell if the real problem is in the conditions that you didn't post.
I hope this answers your question.
If not, post a complete test script that people can run to re-create the problem and test their ideas.  Include a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all the tables involved, and the results you want from that data.
In the case of a DML operation (such as UPDATE) the sample data should show what the tables are like before the DML, and the results will be the contents of the changed table(s) after the DML.
Explain, using specific examples, how you get those results from that data.
Always say what version of Oracle you're using (e.g. 11.2.0.2.0).
See the forum FAQ: https://forums.oracle.com/message/9362002