本文将为您介绍如何使用Navicat Premium Lite社区版连接 PolarDB PostgreSQL版（兼容Oracle）数据库。前提条件 支持 PolarDB PostgreSQL版（兼容Oracle）2.0版本集群。已经在 PolarDB 集群 创建数据库账号。已经获取 集群连接地址和端口，...
This topic describes the incompatibilities between an Oracle database and an Oracle tenant of OceanBase Database in changing the lengths of columns that have different constraints.Change the length of a PRIMARY KEY column ...
This topic describes how to use the data transmission service to migrate data from an Oracle database to an Oracle tenant of OceanBase Database.Important A data migration task remaining in an inactive state for a long time...
本文介绍如何通过 PolarDB 管理控制台创建 PolarDB PostgreSQL版（兼容Oracle）数据库集群。前提条件 已注册并登录阿里云账号，详细操作步骤请参见 注册和登录阿里云账号。背景信息 一个集群包含一个主节点以及最多十五个只读节点（最少...
the corresponding constraint whose name starts with SYS_C in the Oracle database is deleted.If you perform inter-database data migration or synchronization,for example,from an Oracle database to an OceanBase database,the ...
Before you migrate data between databases by using the data transmission service,make sure that you have created a database user for each data source as the migration user or synchronization user.These users must have the ...
in for Oracle GoldenGate(OGG)to collect Oracle data based on OGG Application Adapters or OGG for Big Data.The difference between the two modes is that different processes are used in the destination database.1.Overview You...
This topic describes the incompatibilities between an Oracle database and an Oracle tenant of OceanBase Database in changing the data types of columns that have different constraints.Note In the following tables,the ...
party plug-in and a foreign data wrapper FDW(Foreign Data Wrapper)of PolarDB for PostgreSQL(Compatible with Oracle).You can use the oracle_fdw plug-in to interact with an external Oracle database.Prerequisites The oracle_...
you cannot back up or restore data in the database.Oracle database status Checks whether all Oracle databases in the Oracle database instance run as expected.If a database in the instance does not run as expected,you ...
本文将介绍如何使用pgAdmin4连接 PolarDB PostgreSQL版（兼容Oracle）数据库并调试PL/SQL存储过程。前提条件 支持 PolarDB PostgreSQL版（兼容Oracle）2.0版本。已经在PolarDB集群创建账号，创建账号请参见 创建数据库账号。已经将需要访问...
managed Oracle database to an ApsaraMQ for Kafka instance or a self-managed Kafka cluster Migrate data between self-managed Oracle databases Usage notes and limits for migrating data from a PostgreSQL database Migrate data...
Before you use Cloud Backup to back up an Oracle database deployed on an Elastic Compute Service(ECS)instance,you must register the Oracle database in the Cloud Backup console.When you register an Oracle database,Cloud ...
This topic describes the key points that you must consider before you migrate an Oracle database to a PolarDB cluster.Carefully read this topic before the migration to ensure a smooth migration process.Sequence value ...
本文将介绍如何在Java应用中使用JDBC连接 PolarDB PostgreSQL版（兼容Oracle）数据库。前提条件 已经在 PolarDB 集群创建用户，如何创建用户请参见 创建数据库账号。已经将需要访问 PolarDB 集群的主机IP地址添加到白名单，如何添加白名单...
Connect to a PolarDB for PostgreSQL(Compatible with Oracle)database CREATE[PUBLIC]DATABASE LINK name CONNECT TO username IDENTIFIED BY"password"USING(channel_name ' channel_name ',dbname ' db_name ');Connect to an Oracle ...
DataWorks provides Oracle nodes that you can use to develop and periodically schedule Oracle tasks and ...Oracle is a relational database management system(RDBMS)for storing and processing data.It provides you with reliable...
PolarDB for PostgreSQL(Compatible with Oracle)is fully compatible with the Oracle syntax,uses a shared-everything architecture,and supports common features of Oracle databases.The structure that is used by PolarDB for ...
dblink_ora provides a database link that is based on the Oracle Call Interface(OCI).In a PolarDB for PostgreSQL(Compatible with Oracle)database,you can use this link to execute SELECT,INSERT,UPDATE or DELETE statements on ...
This topic describes how to use the oracle_fdw extension to connect to an Oracle database.You can also use this extension to synchronize data between tables in a PostgreSQL database and tables in an Oracle database....
简介 V$MYSTAT 是 PolarDB PostgreSQL版（兼容Oracle）数据库中的一个动态性能视图，提供了与当前会话相关的性能和资源使用统计信息。V$MYSTAT 视图包含以下列信息：列名称 类型 描述 SID numeric 会话的唯一标识符，对应当前会话的会话ID...
managed Oracle database is 9i,10g,11g,12c,18c,or 19c.The self-managed Oracle database is running in ARCHIVELOG mode.Archived log files are accessible,and an appropriate retention period is set for archived log files.For ...
premises servers to the cloud.You can restore the data of an Oracle database to the source database,another ECS-hosted database,or an on-premises database within the same region based on recovery points.This topic ...
一种通用语言，用于为 PolarDB PostgreSQL版（兼容Oracle）数据库创建存储过程、函数、触发器和包。无缝的开发和测试环境。使用可重新使用的代码。易于使用。本章介绍SPL程序的基本元素，然后概述SPL程序的组织方式以及如何使用它来创建...
This topic explains how to add a user-created Oracle data source.Prerequisites Verify your network connectivity:For Internet connections to the Oracle database,add the IP address of Quick BI to the database whitelist.For ...
OceanBase provides the data transmission service to support data exchange between a homogeneous or heterogeneous relational database management system(RDBMS)and OceanBase Database.The data transmission service provides the...
This topic describes the usage notes and limits when synchronizing data from a self-managed Oracle database.To ensure your data synchronization task runs as expected,you should read these notes and limits before ...
This topic describes all SQL commands that are supported by both PolarDB and Oracle databases.You can run the SQL commands in Oracle database and PolarDB for PostgreSQL(Compatible with Oracle).Note PolarDB for PostgreSQL...
see Create a workflow.The Oracle database is prepared.In this example,the Oracle database is installed on an Elastic Compute Service(ECS)instance.To enable network communication,you must configure a public IP address for ...
see Create a workflow.The Oracle database is prepared.In this example,the Oracle database is installed on an Elastic Compute Service(ECS)instance.To enable network communication,you must configure a public IP address for ...
This topic describes the scenarios where ALTER TABLE DDL operations performed on an Oracle database can be converted by the DDL synchronization component of the data transmission service but cannot be performed in an ...
AnalyticDB for MySQL,AnalyticDB for PostgreSQL,and Oracle Db2 for LUW MySQL,PolarDB for MySQL,AnalyticDB for MySQL,and AnalyticDB for PostgreSQL Db2 for i(AS/400)MySQL Incremental data verification MySQL MySQL,AnalyticDB ...
This topic describes how to migrate data from a self-managed Oracle database to a PolarDB for PostgreSQL(Compatible with Oracle)cluster by using Data Transmission Service(DTS).Prerequisites The source Oracle database and ...
see the"Enable the archive mode"section of the Prepare for physical backup of an Oracle database topic.The SID of the destination Oracle database is obtained.For more information,see the"Obtain the SID of an Oracle ...
This topic describes how to migrate data from a self-managed Oracle database to a PolarDB for PostgreSQL(Compatible with Oracle)cluster by using Data Transmission Service(DTS).Prerequisites The source Oracle database and ...
TRUNCATE TABLE,and CREATE INDEX Permissions required for database accounts Database type Required permissions References Self-managed Oracle database Fine-grained permissions Prepare a database account,CREATE USER,and ...
This topic describes how to migrate data from a self-managed Oracle database to a self-managed PostgreSQL database by using Data Transmission Service(DTS).DTS supports schema migration,full data migration,and incremental ...
This topic describes how to use Data Transmission Service(DTS)to migrate data from a self-managed Oracle database to an ApsaraDB RDS for PostgreSQL instance.DTS supports schema migration,full data migration,and incremental...
Before you use Cloud Backup to back up an Oracle database deployed on an on-premises server,you must register the Oracle database in the Cloud Backup console.This topic describes how to register an on-premises Oracle ...
This topic describes how to migrate data from a self-managed Oracle database to an ApsaraDB RDS for MySQL instance by using Data Transmission Service(DTS).DTS supports schema migration,full data migration,and incremental ...