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What is schema export?
public class SchemaExport extends Object. Command-line tool for exporting (create and/or drop) a database schema. The export can be sent directly to the database, written to script or both.
Does data Pump create tablespaces?
impdp is able to create the tablespaces. You can even change the location of the datafiles if needed. Check the documentation for more information since there are many parameters with this tool (REMAP_DATAFILES and REUSE_DATAFILES for example).
What is the difference between schema and tablespace?
Schema objects are the logical structures that directly refer to the database’s data. Schema objects include structures like tables, views, and indexes. Tablespaces – A tablespaces is a collection of logical storage units in a database. It groups related logical structures together.
How do I know the size of my Schema?
select OWNER,sum(bytes)/1024/1024/1000 “SIZE_IN_GB” from dba_segments group by owner order by owner; Share via: Facebook.
Can we export tablespace in Oracle?
Using expdp export utility of data pump we can export tablespaces. Exporting tablespace is also a way of taking logical backup of the tablespace of your database. Exporting tablespace means only the tables contained in a specified set of tablespace are unloaded along with its dependent objects.
How to specify the export mode in Oracle?
A privileged user can qualify the tables by specifying the schema that contains them. For any table for which a schema name is not specified, Export defaults to the exporter’s schema name. Use the TABLES parameter to specify this mode. See Table 22-1 for a list of objects that are exported and imported in each mode.
What should I know about Oracle schema and tablespaces?
Background: In our project we have two different teams that are working on the implementation of a website. The idea is to later separate the basic-services from the website (cms / portal) so that different websites / portals can be created an all are using the same independent basic-services. The current installation looks like this:
How to export tablespaces using expdp data pump utility?
Data Pump Tablespace Mode. Tablespaces are the logical storage units which are used by the database to store separate objects, such as tables, types, PL/SQL code, and so on. Typically, related objects are grouped together and stored in the same tablespace. Using expdp export utility of data pump we can export tablespaces.
Can you export triggers owned by schema SYS?
A full export does not export triggers owned by schema SYS. You must manually re-create SYS triggers either before or after the full import. Oracle recommends that you re-create them after the import in case they define actions that would impede progress of the import.