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I'm having big trouble in copying an Oracle DB to the same server but with another name, to use as a development DB.
I'm used to SQL Server, I'm new to Oracle (11g).
I wanted to use the 'Database copy' from SQL Developer, but I'm getting errors all the way. First it was about missing tablespaces. Then when I manually created them in my new empty DB the errors were about missing users. I wanted to create the users manually, but then I first needed to create missing roles. When all that was done, it failed on missing indexes...
How do I copy everything I need with 'Database copy'?
Any advice is greatly appreciated!
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When copying between Oracle databases, you should use SQL commands (CREATE TABLE AS and INSERT) or you should ensure that your columns have a precision specified. The USING clause specifies a query that names the source table and specifies the data that COPY copies to the destination table.
Using the main menu, select Tools->Database Export. An Export wizard will open. At the top of the screen, enter a directory and file name.
SQL Developer copy will only copy objects between schemas. Do you want to just make a copy of a schema? Or a whole new database, including all schemas?
Judging by your question, I'm assuming the latter. If so, RMAN "database duplication" may help you.
See http://www.oracle-base.com/articles/11g/duplicate-database-using-rman-11gr2.php at Tim Hall's excellent site.
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