Plsql export table structure, table data, table number

Scenario: After the project has been developed to be deployed in a different environment for testing, it is necessary to the database in the table structure, serial numbers, data migration, this time need to be able to use plsql skillfully.

Problem:

• The exported table structure cannot be imported in another database
• Some of the table data is too large, resulting in a long time without response, in fact, the data is still migrating, this time need to find the key data table, for the unwanted data directly discarded can be

Plsql export table structure, table data, table number