Thanks Avinash. Appriciate the help!! Regards Amit
On Fri, May 3, 2024 at 5:38 AM Avinash Vallarapu < avinash.vallar...@gmail.com> wrote: > Hi, > > Has anyone tried delta/incremental data migration for Oracle to PostgreSQL >> using Ora2pg? Or what are the best options to run delta migration for >> Oracle to PostgreSQL? > > > There are a few ways of dealing with it when using Ora2Pg. > > *Option 1 : *Ora2Pg configuration file allows us to pass the > conditions(predicates) to be applied to a table while migrating the data > from a table. So, if there is a way to filter the data since the last full > load, you can pass the condition to the configuration file, for each table. > This is some work for sure but it works great if you are able to identify > those conditions such as creation_date or last_updated_date, let's say. > > *Option2 :* Ora2Pg is currently CDC ready. What this means is that, > Ora2Pg can provide the SCN at which the table copy has been initiated. > Technically, we provide the SCN to the CDC tools or custom CDC techniques > to continue replication since that SCN. > > *Option 2.1 :* Leverage Debezium, an Open Source solution to perform > continuous replication from Oracle to PostgreSQL from the SCN produced by > Ora2Pg for that table. > > So, it is all about Ora2Pg + Debezium > > It might be initially challenging, but you will get there. > > Regards, > Avi Vallarapu, > CEO, > HexaCluster Corp. > > > > > > > On Fri, May 3, 2024 at 3:25 AM Muhammad Ikram <mmik...@gmail.com> wrote: > >> Hi, >> >> Not related to Ora2PG but in the past I have used the EDB Migration >> toolkit for such scenarios. Filterprops option can help in specifying >> filter (where clause). >> >> Regards, >> Ikram >> >> >> On Fri, May 3, 2024 at 8:12 AM Ron Johnson <ronljohnso...@gmail.com> >> wrote: >> >>> On Thu, May 2, 2024 at 8:28 PM Amit Sharma <amitpg...@gmail.com> wrote: >>> >>>> Hello, >>>> >>>> Has anyone tried delta/incremental data migration for Oracle to >>>> PostgreSQL using Ora2pg? Or what are the best options to run delta >>>> migration for Oracle to PostgreSQL? >>>> >>> >>> What do the ora2pg docs say about whether or not that feature is >>> implemented? (It wasn't when I last used it in 2022.) >>> >>> >> >> >> -- >> Muhammad Ikram >> >> >
