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15 Αυγ 2017 · But Oracle doesn't seem to like having a "WITH" and "UPDATE" statement in the same query. I get an error saying "missing SELECT keyword". I have found out that I can put the temp table definition within the SELECT statement, i.e. SET name = (SELECT newvalue FROM ( (SELECT 'abcd' AS oldvalue, 'defg' AS newvalue FROM dual) UNION (SELECT ...
22 Ιουν 2017 · Option2: update t x set object_id = (SELECT dense_Rank() over(partition by object_type order by object_name,created) FROM t y where owner = 'SAPMIG' and x.rowid = y.rowid); Option3: update t x set object_id = (SELECT dense_Rank() over(partition by object_type order by object_name,created) FROM t y where owner = 'SAPMIG' and x.rowid = y.rowid)
25 Φεβ 2016 · SELECT TEMP.unqid,TEMP.MD_DT. FROM t2, t1. WHERE TEMP.ROW_ID=1. ; This query returns uniqueid, md_Dt for every valid uniqueid. this has to be updated back into t1.md_dt. We tried using update with select but got the error 'cannot modify a column which maps to a non key-preserved table'.
For example, FOR UPDATE OF DEP means that only the rows in WSH_DEPARTURES should be locked. The solution to this query is to specify the tables to be locked in the FOR UPDATE clause via the FOR option, or break the query into separate cursors such that each cursor locks a single table only.
UPDATE (SELECT tt.id, tt.code, tt.description, st.code AS st_code, st.description AS st_description FROM dest_tab tt, source_tab st WHERE tt.id = st.id) ilv SET ilv.code = ilv.st_code, ilv.description = ilv.st_description; 5000 rows updated.
2 Ιουν 2023 · The Select query inside the Update statement looks up the two tables and constructs the right data set to use. Then the Set clause will set the person account number to the account number value. If we run this in Oracle, we may get this error:
You can use the flashback_query_clause within the subquery to update table with past data. Refer to the flashback_query_clause of SELECT for more information on this clause.
