A database migration from Oracle to PostgreSQL could fail with the following errors preventing the migration from succeeding. Problem Database migration from Oracle to Postgres fails and the following is found in theatlassian-fisheye-YYYY-MM-DD.log: ...
There are several ways to import Oracle data into PostgreSQL. Here we will discuss a few of the methods that are well proven and most popular. Method 1: Ora2Pg As the name suggests, Ora2Pg is used to migrate Oracle objects into PostgreSQL. This tool will connect to an Oracle database ...
In the following code example, a change to the client-side time zone setting returns a consistent result: CREATE OR REPLACE FUNCTION public.sysdate() RETURNS TIMESTAMP WITHOUT TIME ZONE AS $BODY$ SELECT clock_timestamp() AT TIME ZONE 'Europe/Berlin'; $BODY$ LANGUAGE sql; postgres=>...
we provide an Amazon RDS for Oracle snapshot for you to use. This snapshot contains one schema and user, both with the nameawsorauser, and five tables. Two tables in this schema (CUSTOMERandPART) each have a CLOB column. Each CLOB column has XML content, and...
Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.2.0.1 [Release 11.2 to 12.2]Information in this document applies to any platform.SymptomsWhen using Database Gateway for ODBC (DG4ODBC) to connect to a Postgresql database using a Postgres ODBC connection the following error is encou...
Database-level permissions: Log in to the postgres base database as user root or user DATABASE with the Sysadmin role, and grant the CREATE and CONNECT permissions to user DATABASE. Statement: GRANT CREATE, CONNECT ON DATABASE <database> TO <user> Schema-level permission: Log in to the...
Database-level permissions: Log in to the postgres base database as user root or user DATABASE with the Sysadmin role, and grant the CREATE and CONNECT permissions to user DATABASE. Statement: GRANT CREATE, CONNECT ON DATABASE <database> TO <user> Schema-level permission: Log in to the...
8. Sequences.Both PostgreSQL and Oracle support sequences. Once the sequence is created, PostgreSQL may use it to get incremented values as follows: nextval('sequence_name'::regclass) Oracle uses similar syntax with some variation: sequence_name.NEXTVAL ...
POSTGRES: OS: Ubuntu 22.04 PostgreSQL version 16.0 host: postgres-001 port: 5432 DB: dev user: postgres password: ### Migration method: Preparing the source While pgloader offers ETL capabilities, for this migration, the chosen approach was to minimize pgloader transformations by making necessary...
PostgreSQL子查询别名改造(兼容Oracle) 在PostgreSQL中子查询必须得加上别名,即使我们在其它地方不会再引用到这个别名。 否则便会报以下错误: 1 postgres=# select * from (select * from t1 limit 5); 2 ERROR: subquery in FROM must have an alias...