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The Best Way To Transform Oracle Database To PostgreSQL Oracle is a productive question social DBMS perfect for overseeing tremendous venture scale databases. Of course, it is costly to obtain the proprietorship. It likewise accompanies a strict permitting arrangement. This drawback drives a few organizations and organizations to move their databases from Oracle to yet another DBMS. Motivations to Consider PostgreSQL? Database executive or other individual accountable for database development should anticipate that new framework that offers proportionate arrangement of administrations when contrasted with the essential DBMS. When talking about Oracle database, it is clear that none of the other social database administration frameworks …show more content…

Anyplace beneath SQL*Plus is utilized as default Oracle customer application. This is the summon line to associate with the database by means of SQL*Plus: sqlplus username/password@database Initially, it is important to get rundown of all tables: SQL> select table_name from user_tables; What's more, here is the best approach to extricate meaning of specific Oracle table: • SQL> set long 1000 • SQL> set pagesize 0 • SQL> select DBMS_METADATA.GET_DDL('TABLE',''[,'SCHEMA']) from DUAL The subsequent script must be rectified before stacking to PostgreSQL as takes after: • Remove Oracle particular proclamations toward the finish of table DDL (beginning from "Utilizing INDEX PCTFREE...") • convert all information sorts into PostgreSQL counterparts as per this table Information Subsequent stage is to send out Oracle information into CSV design. It should be possible by means of the accompanying grouping of orders: • SQL> set taking off • SQL> spool filename.csv • SQL> select column1 || "," || column2 || ... from mytable; • SQL> set colsep "," • SQL> select * from my_table; • SQL> spool off; The subsequent CSV record can be foreign into PostgreSQL table through "Duplicate" summon: Duplicate FROM DELIMITER "," CSV; When there is "Authorization denied" blunder

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