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Performance over DG from mysql to oracle very slow for inserts

oraLaroFeb 27 2015 — edited Mar 12 2015

configured het services over gateway from oracle 11.2.0.4 to mysql 5.6

Have a table I want to pull over into oracle.  1000 rows.

On mysql : create view vw_mysql_t1 as select columns from my_mysql_table.    

                 

On Oracle:  create view vw_ora as select columns from  vw_mysql_t1@mysql_link

On oracle: select * from vw_ora data returns data in 3-4 seconds. 

however, try an insert to get the data over

     insert into a_table_on_oracle

         (select * from vw_ora)

takes 11-12 minutes.     

create table as or insert into same performance.  Tried just inserting 1 row  and same performance 11-12 minutes.  any ideas?

This post has been answered by oraLaro on Mar 11 2015
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Locked on Apr 9 2015
Added on Feb 27 2015
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