naruto dating flash game - Updating tables through object views in oracle
A View can also be used to improve security by restricting access to a predetermined set of rows or columns.
In addition to operating on base tables, one View can be based on another, a view can also JOIN a view with a table (GROUP BY or UNION).
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Regards, Amit Hi, I understood the usage of with clause now referring this case, but here my "Set" statement is using a constant value of 100.
My requirement is the set statement should use the value coming from the output of with clause or analytical function.
ROW_ID=1 ; This query returns uniqueid, md_Dt for every valid uniqueid. We tried using update with select but got the error 'cannot modify a column which maps to a non key-preserved table'.
Can you please suggest easy method of updating temp.md_dt into t1.md_dt. MD_DT AS MD_DT, ROW_NUMBER() OVER (PARTITION BY t2.unqid ORDER BY t2.
let say deptno=10 is repeated twice in dept table with different department names and emp table has three employees working for deptno=10 then join between these two tables would produce six rows in the output, database has no clue about which department name should be updated here. if update is turned into a merge, then we don't see this error message.
merge into emp using dept 2 on (emp.deptno = dept.deptno) 3 when matched then 4 update set ename = dname; merge into emp using dept * ERROR at line 1: ORA-30926: unable to get a stable set of rows in the source tables [email protected] the only difference here is UPDATE does this check before execution, while MERGE does this as part of statement execution. MD_DT AS MD_DT, ROW_NUMBER() OVER (PARTITION BY t2.unqid ORDER BY t2.
MD_DT AS MD_DT, ROW_NUMBER() OVER (PARTITION BY t2.unqid ORDER BY t2.
MD_DT IS NOT NULL AND t1.unqid=t2.unqid AND t1.lt='hl' ) TEMP WHERE TEMP.
Materialized views stored in the same database as their base tables can improve query performance through query rewrites.Tags: Adult Dating, affair dating, sex dating