oracle export schema without data

In the use of Oracle databases, Backup recovery is the most critical. When the database fails, it can be restored in a timely manner to reduce unnecessary losses. Next I will briefly introduce the import and export of databases, solutions, tables,

1. DIRECTORY Specify the directory where dump files and log files are locatedDirectory=directory_objectDirectory_object is used to specify the directory object name. Note that directory objects are objects created using the Create DIRECTORY

Data pump technology is a new technology in Oracle Database 10g, which is 15-45 times faster than the original import/export (IMP,EXP) technology. The increase in speed stems from the use of parallel techniques to read and write export dump files.

  The new utility in Oracle Database 10 Gb brings its performance and multi-functionality to a new level.The new import and export features added in the Oracle Database 10 Gb are Oracle Data Pump (Data Pump, this has completely changed the way

Some time ago in a migration of data pump and exp, found that the difference in efficiency is quite large. Here is an example of a simple comparison. First, compare the difference between exp general mode, exp direct path mode, and EXPDP three ways

Character Set issues in Oracle DMP Import/export, database operations, etc. Opening: Because to locate a garbled problem about DMP file Import, I began a long way to search the Oracle character set, and there are countless articles on the

Oracle 1, uncompress and unpack downloaded files One step procedure (uses less disk spaces and is faster): Zcat lnx_920_disk1.cpio.gz | Cpio-idmv Zcat lnx_920_disk2.cpio.gz | Cpio-idmv Zcat lnx_920_disk3.cpio.gz | Cpio-idmv Two Step procedure:

Overview the role of data pump:1. Logical backup and logical recovery 2. Move object 3 between database users. Move object 4 between databases. Implementing Tablespace Transfer characteristics of data pump and the difference between traditional

The character set problem for Oracle databases is not a big problem, but it is also a headache. This is because there are three reasons: first, the Oracle database in the installation of a good character set after the general can not change, the

So far, the export/import toolset is still the preferred utility for transferring data across multiple platforms with the minimum labor intensity, although it is often complained that it is too slow. Import only reads each record from the export