Useful tips

What is Oracle dump function?

What is Oracle dump function?

The PLSQL DUMP function is used to return a varchar2 value that contains the datatype code, the length in bytes, and the internal representation of the expression. The PLSQL DUMP function accepts an expression as a parameter, if the expression value is NULL, then the DUMP function returns NULL.

What is a dump statement?

dump command in Linux is used for backup the filesystem to some storage device. It backs up the complete file system and not the individual files. In other words, it backups the required files to tape, disk or any other storage device for safe storage.

How do you dump a table in Oracle?

To export the data the REGIONS table:

  1. In SQL Developer, click Tools, then Database Export.
  2. Accept the default values for the Source/Destination page options, except as follows:
  3. Click Next.
  4. On the Types to Export page, deselect Toggle All, then select only Tables (because you only want to export data for a table).

What is Oracle Datapump?

Oracle Data Pump technology enables very high-speed movement of data and metadata from one database to another. Oracle Data Pump is available only on Oracle Database 10g release 1 (10.1) and later.

Is it possible to read an oracle dump file?

This java library can read oracle dump files generated by the oracle exp utility. The library has been tested with database dump files of oracle 8 and oracle 9.2 on unix. Sql2Csv is a small tool converting records selected from a database to a text file with separated values, html webpage, sql dump or xml file.

What is a dump file in Oracle?

Oracle dump file (.DMP) is a binary storage used by Oracle users and database administrators to backup data. Oracle distribution pack includes the standard tool EXP for this purpose.

How much data store in Oracle Database?

The maximum database size in Oracle Database XE is 5 gigabytes (GB). This includes between 0.5 and 0.9 GB for the data dictionary, internal schemas, and temporary space, which leaves just over 4.0 GB for user data. A database consists of one or more tablespaces.

What is data pump Oracle?

Oracle Data Pump is a new feature of Oracle Database 11g that provides high speed, parallel, bulk data and metadata movement of Oracle database contents. A new public interface package, DBMS _DATAPUMP, provides a server-side infrastructure for fast data and metadata movement.