Some time ago, the test data (one table) needs to be imported into the local database from a remote test database. The data volume of the table is about 5 million, and more than 160 fields. The expimp method is used, and the speed is fast.
Some time
1. Differences between AWR raw data and AWR reports AWR raw data: the oracle database mmon Process regularly dumps statistics from memory to disk, the raw data of the automatic workload storage warehouse (AWR) is stored in several tables in a
Use:Make the intranet of the Linux host, get the common account password, batch log in, upload the System Information collection script, pull the result of execution back to the local, for analysis.Disadvantages:Do not support multi-threaded
[Dan JIU Jian] Oracle knowledge point sorting (3) Import and Export, oracle knowledge pointLink navigation for this series:
[Lone sword] Oracle knowledge point sorting (1) Table space and users
[Gu JIU Jian] Oracle knowledge point sorting (2)
Use the copy function of DB_LINK to remotely back up and restore Data Using expdp and impdp. Delete the dept and emp of scott user on server B before testing.
Use the copy function of DB_LINK to remotely back up and restore Data Using expdp and
The Blob field in Oracle is special. It has much better performance than the long field and can be used to save binary data such as sample slices.Writing Blob fields is very different from writing other types of fields. Because Blob itself has a
From: http://www.qqread.com/oracle/2008/07/u421371.html
EXPDP and IMPDP instructions for use EXPDP and IMPDP
Oracle Database 10 Gb introduces the latest Data pump technology, allowing DBAs or developers to quickly move Database metadata (object
The following figure shows the mongdb cluster architecture to be built. Create the first replset folder ------------------ create directory mkdir-P/data/replset_sharding/replset1/r0mkdir-P/data/replset_sharding/replset1/r1mkdir-P
Use expdp (non-local) to remotely export data and use expdp to export data
Background:
Some time ago, test data (one table) needs to be imported into the local database from a remote test database. The table has about 5 million data records and more
A few days ago learned the basic Linux commands, here to share, as a summary.Environment: 192.168.54.242Cd:CD-Switch to the first use path;Cd.. Go to Parent PathCD ~ Enter into the root/directoryCD Ibid.Cd.. /Relative DirectoryMkdir:mkdir a Create
Copy Code code as follows:
Package com.xhkj.util;
Import Java.io.File;Import java.io.IOException;
public class Createfileutil {
public static Boolean CreateFile (String destfilename) { file File = new file (destfilename); if
Data Pump export/import EXPDP/IMPDP
Oracle 10g introduces the data pump provides a server-based database extraction and Recovery utility , and the data pump significantly improves architecture and functionality compared to the traditional export
Copying a file on a local File System
This section includes an example which uses the Copy_file procedure in the Dbms_file_transfer to COPY a FILE on a l Ocal file System. The following example copies a binary file named Db1.dat from
LOB large Object processing: A database field primarily used to store large amounts of data, which can store up to 4G of unstructured data. Mainly introduces the storage of character type and binary file type LOB data, separately describes the
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