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Why does import fail in Oracle export dump?
When tables are manually created before data is imported, the CREATE TABLE statement in the export dump file will fail because the table already exists. To avoid this failure and continue loading data into the table, set the Import parameter IGNORE = y. Otherwise, no data will be loaded into the table because of the table creation error.
Why is Oracle schema import not importing all the tables?
I have exported an existing oracle schema from another machine and then imported it in my local machine. Import was successful, but some tables which are present in the export dump file are not imported. Here are the export and import commands i have used. The Oracle we are using is 10g EE. What could be going wrong ?
How does the import utility work in Oracle?
The Import utility reads object definitions and table data from dump files created by the original Export utility. The dump file is in an Oracle binary-format that can be read only by original Import. The version of the Import utility cannot be earlier than the version of the Export utility used to create the dump file.
Can a table be imported from an export file?
To do so, perform several imports from an export file instead of one. First, import tables that are the targets of referential checks. Then, import the tables that reference them. This option works if tables do not reference each other in a circular fashion, and if a table does not reference itself.
Can you read the dump file in Oracle?
The dump file is in an Oracle binary-format that can be read only by original Import. The version of the Import utility cannot be earlier than the version of the Export utility used to create the dump file. Table Objects: Order of Import Table objects are imported as they are read from the export dump file.
Can a dump file be read by original import?
The dump file is in an Oracle binary-format that can be read only by original Import. The version of the Import utility cannot be earlier than the version of the Export utility used to create the dump file. Table objects are imported as they are read from the export dump file.