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Import: Tablespace does not exist tips

Oracle Database Tips by Donald BurlesonDecember 30,  2015


Question:  I'm testing an import for one customer and while importing the database dump file with Data Pump I'm getting the following error:

IMP-00017: following statement failed with ORACLE error 959:
IMP-00003: ORACLE error 959 encountered
ORA-00959: tablespace '_$deleted$24$0' does not exist

How do I remove the impdp message that the tablespace does not exist?

Answer:  Data Pump impdp will return a ORA-00959 when a table definition specifies multiple tablespaces (i.e. a CLOB column stored in a separate tablespace.  In these cases, the solution is to pre-create the table (punching the DDL with dbms_metadata) and use impdp with ignore=y.

By default, an export only exports the objects in a tablespace, not the tablespace definition itself.

In this case, the import is complaining because a tablespace with the same name as the export tablespace does not exist.  You can fix the ORA-00959 error in several ways:

  •  Create the tablespace and use IGNORE=Y in the impdp syntax
  •  Import into another user ID with a different default tablespace name (fromuser touser)
  • Use include=tablespace if you want to have the import pre-build the same tablespaces

Generally, in an Oracle migration, the schema and DDL are pre-created in the target database, and then the rows are imported into the new database using the Oracle imp utility with the IGNORE=Y parameter. The IGNORE=Y parameters tells Oracle to use the new DDL definitions instead of the DDL inside the import data file.

But in Oracle9i and beyond, you can use the new utility package called dbms_metadata that will easily display DDL and stored procedures directly from the data dictionary.

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