7 10 BB_TBS *** /u01/app/oracle/oradata/testogg/bb_tbs01.dbf 8 50 TEST_TBS *** /u01/app/oracle/oradata/testogg/test_tbs01.dbf 9 100 XTTS *** /u01/app/oracle/oradata/testogg/xtts01.dbf List of Temporary Files ===
用户名.表名@数据库连接名(上面的link名称) SQL> conn sys/oracle@orcl as sysdba 已连接。 SQL> create public database link ABB connect to sde identified by sde using 'orcl2'; 数据库链接已创建。 SQL> desc sde.owner@ABB; 名称 是否为空? 类型 --- --- --- OBJECTID NOT NULL NUMBER(38)...
How to connect to a remote database In case you are using several servers, and some of them are remote, you can use psql to connect to remote servers and work with databases on them from your local machine. Actually, the only difference in the connection process is the necessity to enter...
Create a PostgreSQL database instance in a private subnet. Create Oracle Cloud Infrastructure (OCI) Compute instance to connect to PostgreSQL in a public subnet, using the same VCN. Add port 5432 to the private subnet security list. Connect using DBeaver. Prerequisites Access to an OCI tenancy...
Quick recovery: In a multi-node database system, if the primary node becomes unreachable, another node would be promoted as the primary node and connect to the existing storage without data loss. Scalability: Decoupling compute and storage paves the way for independent scaling, accommodating varied...
1. Connect to PostgreSQL source database. Specify the username/password and host/port parameters if your source database requires login credentials. 2. Connect to Oracle destination database. Specify parameters for the destination database similar to the source, defining connection settings and usernam...
通过使用数据传输服务DTS(Data Transmission Service),您可以实现自建PostgreSQL迁移至PolarDB PostgreSQL版(兼容Oracle)集群。 前提条件 已创建目标PolarDB PostgreSQL版(兼容Oracle)集群,详情请参见创建PolarDB PostgreSQL版(兼容Oracle)集群。 说明 源库和目标库支持的版本,请参见迁移方案概览。 PolarDB ...
grant CONNECT ON DATABASE dba_database to public; 我们回收在任何数据中每个用户对于public 都具有的 create 和 usage 的权限 REVOKE CREATE ON SCHEMA public FROM PUBLIC; REVOKE USAGE ON SCHEMA public FROM PUBLIC; 在此登陆那么除了db owner 以及superuser 都对这个数据库不具有操作的权限了. ...
若要提升 Oracle 伺服器中評量或匯出作業的效能,請收集統計資料: 複製 BEGIN DBMS_STATS.GATHER_SCHEMA_STATS DBMS_STATS.GATHER_DATABASE_STATS DBMS_STATS.GATHER_DICTIONARY_STATS END; 使用COPY 命令匯出資料,而不是 INSERT。 避免匯出具有其外部索引鍵 (FK)、限制式和索引的資料表。 這些元素會讓資料...
Connect to your Oracle database in SQL*Plus. In SQL*Plus, create a database link for the target PostgreSQL server. For example: CREATE PUBLIC DATABASE LINK postgresqllink CONNECT TO "my_postgresql_user" IDENTIFIED by "my_postgresql_password" USING 'postgresql'; ...