Migration of Oracle database to Postgres with minimum downtime using Oracle GoldenGate

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Тable of Contents

01. Creating Oracle database DownStream
02. Preparing Oracle database (source)
03. Configuring "OGG for Oracle" and creating EXTRACTs estock, pstock
04. Preparing the PostgreSQL database (target)
05. Configuring "OGG for PostgreSQL" and creating REPLICAT rstock
06. Performing InitialLoad Oracle->Postgres
07. Enabling continuous replication Oracle->Postgres

comment:
InitialLoad for large systems can/should be done with high parallelism!