Tagged Questions

1
vote
3answers
52 views

Transfer data from DB2 to Oracle

I want to transfer data from an old DB2 system to a new Oracle database. How should I go about doing this?
1
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1answer
235 views

SSMS Oracle import using OpenQuery over LinkedServer (Oracle Provider for OLEDB) - XML Parsing: unable to switch encoding

I am trying to migrate the data from an OracleDB to an SQL Server Express database. I'm doing this by openquerying a linked server (data provider based on Oracle Provider for OLEDB). Everything works ...
1
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0answers
263 views

Migrating from Oracle to MySQL using WorkBench Migration Tool

I am currently migrating from Oracle to MySQL and I am going to use the migration tool in workbench to help me with the procedure. I have entered my source connection details as follows: Database ...
0
votes
1answer
174 views

Moving data between Oracle and PostgreSQL

For a future project I need to use the following setup: Some small (offline) data boxes (colleting data over the time) fill PostgreSQL databases. (Summing up to about 1 TB a year. For time to time, I ...
0
votes
1answer
173 views

oracle clob export/import across non linked instances

I'm trying to migrate table data across two instances(different instance schemas, but same table schema) that are not connected(not an option). The problem is that I can not access host file systems ...
1
vote
2answers
406 views

Oracle Procedure to Enable/Disable all constraints

I have this nice piece of code: begin for i in ( select constraint_name, table_name from user_constraints where constraint_type ='R' and status = 'ENABLED' ) LOOP execute immediate ...
1
vote
2answers
74 views

How can I append a column to an inner SQL statement?

I have two tables that have the same structure except one has an additional column that should be auto-incremented. Sequence and trigger are defined. I want to copy all data from one table to ...
1
vote
1answer
448 views

How do Savepoints work in Oracle?

I'm doing pretty serious operations on my DB and I would like to keep my data safe. Unfortunately something is going wrong, look: SAVEPOINT before_foo_update; CREATE TABLE AUX_FOO as SELECT * ...
3
votes
1answer
2k views

What happens when you modify (reduce) a column's length?

Lets say I have two columns of type NUMBER (without precision, and scale) and VARCHAR(300). I saw that these columns are way too large for my data, so I want to modify them to NUMBER(11) and ...
2
votes
2answers
1k views

What is the easiest way to move data from Oracle to SQL Server?

One of our products supports both Oracle and SQL Server as database backend. We have a customer who wishes to switch from an Oracle backend to Microsoft SQL Server, which isn't a typical transition ...
3
votes
2answers
611 views

Character Set Database Migration

This is a follow-up question to a previous thread I had posted. We're in the process of migrating to a new character set. Now, I am a programmer and we have DBA's who will be performing the work but ...
2
votes
1answer
1k views

How do I have RMAN treat my restored data files like they are originals?

I am planning a migration for this ancient-but-critical Oracle database from one Windows Server 2003 cluster to another. The database has many data files and they are all getting new paths on the ...
0
votes
1answer
212 views

Tools for synchronizing database schema with Oracle, SQL-Server and Netezza databases

I'm looking for software tools to move database schema for Oracle, SQL Server and Netezza. We use Oracle for our ODS, Netezza for our Data Warehouse (for it's bulk loading capabilities) and SQL ...
3
votes
1answer
301 views

SQL Server to Oracle Export - Data conversion error

I have a rather weird problem with exporting a bunch of tables from SQL Server 2005 to Oracle database. I have SQL Agent job that deletes Oracle tables, recreates them and then exports the data using ...
2
votes
1answer
215 views

Oracle to PostgreSQL

I'm having som test databases running Oracle 10 & 11 that I plan to try to migrate to PostgreSQL. Some googling hinted that the perl script "ora2pg" could be of use, and free of charge. However, ...
1
vote
1answer
86 views

What should be checked after an Oracle migration

After a large data migration, what needs to be checked to be confident that the data move has succeeded? the number of tables and rows in each schema is the same. the text data in the tables has ...
1
vote
2answers
569 views

Move an Oracle database by moving the raw data files

I have a large Oracle database (~300 GB) and I need to move a copy of the database to a new environment in a short period of time. I was wondering if there is a way to just pick up the raw files ...
2
votes
2answers
412 views

Logical schema development and migration tool for different physical schema available including triggers and stored procedures?

We are planning to support for our application another rdbms (oracle). At the moment we are design our database schema with the MySQL-Workbench. For every new database version we have schema ...
1
vote
1answer
427 views

What specific tests need to be performed under Database migration from DB2 to Oracle?

Currently I am going to be testing (I am a Data Analyst) of a larger migration project where they are planning to migrate from DB2 to Oracle. My question may be little broader; however any ...
2
votes
3answers
276 views

Huge Data Migration in Oracle and space concerns

I am trying to do Insert append as part of data migration from SchemaA.table1 to SchemaB.table2 in the same Oracle database. Due to refactoring of Table2, there will be some form of data ...
7
votes
2answers
1k views

How to migrate SQL Server Stored Procedures using temporary tables or table variables to Oracle?

C# developer encouraged by management to write SQL Server stored procedures often produce procedures like this create table #t1 (...); insert into #t1 Select ... from table_a where ...; insert into ...