How do I remap a schema?

Remap schema names

Add the following clause to the import command for the OpenPages database: remap_schema=:
Add the following clause to the import command for the workflow database: remap_schema=:

How do I remap tablespaces in Impdp?

impdp remap_tablespace parameter

test@orcl112> create table t as select * from dba_objects;
test@orcl112> select table_name, tablespace_name from dba_tables where table_name=’t’ and owner=’test’;
SQL>
SQL>
impdp usr1/usr1 directory=dp_dir dumpfile=test.dmp table_exists_action=skip.

What is remap schema in Oracle?

One of the Oracle 11g new features is the new parameter remap_tablewhich is used to rename the table during the import job. The syntax of this parameter is as follows: remap_table=schema.table_name:new_table. Using remap_schema Parameter to Import Objects to Different Schema.

How can Impdp improve performance?

Maximizing Oracle Import (impdp) Performance

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

Does remap schema create user?

In expdp/impdp also you have remap_schema for the same purpose, but you dont need to create the target schema there. IMPDP itself creates target schema for you but the schema will be locked and you have to set the password before you start using it. This will actually even create the new user (schema)!

Can Impdp create tablespaces?

impdp is able to create the tablespaces. You can even change the location of the datafiles if needed.

Why is Impdp taking so long?

impdp slow with TABLE_EXISTS_ACTION=TRUNCATE. Usual observation is direct path is always faster than external table path. But datapump cannot use direct path always due to some restrictions and because of this reason, sometimes you may observe impdp run slower than expected.

What is difference between EXP IMP and Datapump in Oracle?

What is the difference between normal exp/imp and datapump expdp/impdp? Datapump is a server side utility whereas export/import is a user process. datapump processes running on the server have direct access to the datafiles and the SGA. They don’t have to go via session.

How do I import a schema into another schema?

In the Imports dialog box, in the Import New Schema as list, select XSD Import, XSD Include, or XSD Redefine, as appropriate, and then click Add. In the BizTalk Type Picker dialog box, expand the Schema node in the project tree, select the schema that you want to import, include, or redefine, and then click OK.

How do I Expdp multiple schemas?

How to Export Schemas Using Expdp Data Pump Utility

Step1: Create a Directory. Create a directory anywhere in your system and name it whatever you want.
Step 2: Create Directory Object and grant it mandatory privilege. 2.1.
Step 3: Export the Schema.

What is the parameter for remap schema in impdp?

In Data Pump impdp oracle introduced new parameter called REMAP_SCHEMA. impdp REMAP_SCHEMA=source:target where source and target are the schema names. More than one schema mapping can be done in impdp where the source schema must be different for each one. Target schema can be the same or different.

When to use data pump import utility ( impdp )?

RMAN Using Data Pump Import Utility (impdp) As the name suggests, import (impdp) is the reverse of export and is used to move the data back into the Oracle database from the dump file. import needs a mandatory dump file to be passed to it. All the options that are there with the expdp are there in…

How to change the datafile name in impdp?

Here is the portion you need: Since you are importing the dump file to the Windows OS, you need to change the datafile name. Use the remap_datafile parameter and check the SQL file again. Add the following line to the parameter file: As you see, Data Pump automatically changed the datafile name for the specified file.

Can a unprivileged user perform a schema remap?

The SQL statement to do this, which requires privileges, is: Unprivileged users can perform schema remaps only if their schema is the target schema of the remap. (Privileged users can perform unrestricted schema remaps.)

How do I remap a schema? Remap schema names Add the following clause to the import command for the OpenPages database: remap_schema=: Add the following clause to the import command for the workflow database: remap_schema=: How do I remap tablespaces in Impdp? impdp remap_tablespace parameter test@orcl112> create table t as select * from dba_objects; test@orcl112>…