Ease Oracle-to-Postgres migrations with integrated AI. Explore benefits, features, & the opportunity for 80% TCO savings with EDB Migration Portal.
Transformation Only PostgreSQL Ora2Pg Transformation Only The key schema differences to take note of before Oracle to Postgres migration Consider the following differences between Oracle and Postgres when preparing for schema conversion: ColumnsUntil version 12, Postgres had no equivale...
To avoid problems with foreign key constraints in PostgreSQL, make sure that the configuration parametersession_replication_roleis set toreplicawhile you are runningoracle_catchup_table. For near-zero down time migration, the last call tooracle_replication_catchupmust also be performed while there is ...
已创建PostgreSQL实例。 建议在执行数据迁移前了解源库为Oracle时DTS支持的能力和限制条件,并使用ADAM(Advanced Database & Application Migration)进行数据库评估,以便您平滑地迁移上云。更多信息,请参见Oracle数据库的限制和准备工作和数据库评估概览。 注意事项 说明 在库表结构迁移过程中,DTS会将...
With AWS DMS, you can create and manage materialized views in Oracle and PostgreSQL databases to improve query performance and enable efficient data access. A materialized view is a database object that stores a pre-computed result set from a query, providing fast access to ...
从 Oracle 数据库迁移到 PostgreSQL 版本 11 或以前版本时,处理虚拟生成的列很困难,原因有两个: 迁移时虚拟列不可见。 PostgreSQL 不支持版本 12 之前的 generate 表达式。 但是,也有一些变通方法可模拟类似的功能。当您使用 AWS Database Migration Service (AWS DMS) 将数据从 Ora...
ora2pg -t SEQUENCE -o sequence.sql -b /output/directory -c /path/to/config/file 就这样,我已经准备好了PostgreSQL表和序列。 02 # 工具 #AWS数据库迁移服务(DMS) 接下来是 AWS DMS,这是一项云服务,它帮助我以最短的停机时间迁移数据。在每一分钟的停机时间都可能造成一大笔损失的行业中,这是一个巨...
通过使用数据传输服务DTS(Data Transmission Service),您可以将自建Oracle迁移至PolarDB PostgreSQL版(兼容Oracle)集群。 前提条件 已创建源数据库自建Oracle和目标集群PolarDB PostgreSQL版(兼容Oracle)。 说明 目标集群PolarDB PostgreSQL版(兼容Oracle)的创建方式 ,请参见创建PolarDB PostgreSQL版(兼容Oracle...
Running EnterpriseDB Migration Toolkit (Build 51.0.1) ... Source database connectivity info... conn =jdbc:oracle:thin:@ip:1521:uxdb user =cui password=*** Target database connectivity info... conn =jdbc:postgresql://ip:5455/qianyi user ...
used from reverse engineering Oracle database to huge enterprise database migration or simply to replicate some Oracle data into a PostgreSQL database. It is really easy to used and doesn't need any Oracle database knowledge than providing the parameters needed to connect to the Oracle database...