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What is EXP and IMP in Oracle?

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What is EXP and IMP in Oracle?

Export and Import are the Oracle utilities that allow us to make exports & imports of the data objects, and transfer the data across databases that reside on different hardware platforms on different Oracle versions. Export (exp) and import (imp) utilities are used to perform logical database backup and recovery.

How do I use command prompt to import a file?

To import data through command line:

  1. To open Command Prompt, press Win+R and type cmd in the Open line.
  2. Type a path to the dbforgesql.
  3. Specify the operation you want to perform (data import) and the template file:
  4. Type all other arguments you need.
  5. Press ENTER to run the process.

How can Impdp improve performance?

Maximizing Oracle Import (impdp) Performance

  1. Analyze once after the load – Set analyze=n and analyze with dbms_stats after the load has completed.
  2. Disable redo logs: You can use the impdp nologging mode with transform=disable_archive_logging to disable all redo logging for Oracle 12c imports.

How do I import a database dump in Oracle SQL Developer?

Right-click on either the “Data Pump” or “Import Jobs” tree node and select the “Data Pump Import Wizard…” menu option. Enter the type of import you want to do and the name of the dump file that is the source of the data, then click the “Next” button.

What is data dump in Oracle?

Data Pump Export (hereinafter referred to as Export for ease of reading) is a utility for unloading data and metadata into a set of operating system files called a dump file set. The dump file set is made up of one or more disk files that contain table data, database object metadata, and control information.

Can I use originaloriginal export and import with Oracle Database 10g?

Original Export and Import do not support all Oracle Database 10 g features. However, you should still use the original Export and Import utilities in the following situations: You want to import files that were created using the original Export utility ( exp ).

How does the import utility work in Oracle?

The Import utility reads the object definitions and table data from an Export dump file. It inserts the data objects into an Oracle database. Figure 2-1illustrates the process of importing from an Export dump file.

How to do simulated import from Oracle live?

Once you have your licence from Oracle, you can do a simulated import (ie show metadata) like this: imp ar/live show=y statistics=none buffer=100000 feedback=100000 log=/gers/live/tmp/CUST_190312.log file=/gers/live/tmp/CUST_190312.dmp

Where is the datapdump in Oracle Express 11g R2?

My ORACLE Express 11g R2 has default named DATA_PUMP_DIR (located at {inst_dir}\\app\\oracle/admin/xe/dpdump/) you sill need to grant it for your user. Highly active question. Earn 10 reputation (not counting the association bonus) in order to answer this question.

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