Redis data import tool optimization process summary, redis Data ImportBackground of optimization of Redis data import tool
Developed a Redis data import tool using C ++Import all table
data file name, which may be required when moving tablespaces between different platforms.Remap_datafiel=source_datafie:target_datafileIv. cases-Export data from PROD, then import into the SIT environmentStep1. Create a logical directory that does not create a real directory in the operating system, preferably created by an administrator such as system.Create directory Dpdata as '/home/oracle/expdb ';Step2. View the Management Manager directory (also
Tags: format composite need to import collection data export God nbsp Share picture, two tools are located in the bin directory of the MongoDB installation directory Here's how they are used:OneExport Tool MongoexportThe Mongoexport tool in MongoDB can export a collection to a file in JSON or CSV format. You can specify the exported data item by parameter, or
PLSQL_ Data Pump datapump Import and Export data IMPDP/EXPDP (concept) (Oracle Data Import Export tool) [GO]I. Summary
In the normal storage and database migration, when encountering a large database when using exp often takes a few hours, time consuming. oracle10g later can use EXPDP to export the database to spend much less time than Exp spent, and the fi
data file name, which may be required when moving tablespaces between different platforms.Remap_datafiel=source_datafie:target_datafileIv. cases-Export data from PROD, then import into the SIT environment
Step1. Create a logical directory that does not create a real directory in the operating system, preferably created by an administrator such as system.Create directory Dpdata as '/home/oracle/expdb ';Step2. View the Management Manager director
Use of exp/imp Export Import Tool
1. Export tool exp
1. It is the directory for storing the next executable file in the operating system/ORACLE_HOME/bin
The exp export tool compresses data backup in the database into a binary system file, which can be migrated between different operating systems.It has three modes:A.
exporting tool exp. The specific parameters can be modified as needed.
Filesize specifies the maximum number of bytes of the generated binary backup file(It can be used to solve the limitation of 2 GB physical files in some operating systems, accelerate the compression speed, and facilitate the engraving of historical data CDs)
Ii. Import tool imp
1. It is
according to the need
FILESIZE Specifies the maximum number of bytes generated for binary prepared files(can be used to solve the limitations of 2G physical files under some OS and to speed up compression and facilitate engraving of historical data CDs, etc.)
Two. Import Tools Imp
1. It is the next executable file storage directory for the operating system/oracle_home/bin
The Imp Import
, import DMP file, if the table already exists, will error and do not import the existing table, set the Ignore optionImp system/[email protected] file=d:\test_bak.dmp ignore=y2. Import a partial specified table in the DMP file, set the tables optionImp kpuser/[email protected]=d:\kpuser.dmp tables= (T_score_result)3. Import
and export tool provided by SQL Server. You can use it to import and export data in an efficient manner without starting any graphical management tool. Of course, it can also be executed in SQL statements through xp_cmdshell. In this way, it can be run in a client program (such as delphi and c, this is also one of the ways to enable the client program to
BCP is a command-line tool in SQL Server that is responsible for importing exported data, is based on db-library, and can efficiently import and export large quantities of data in a parallel manner. BCP can export a table or view of a database directly, or it can filter the table or view through a select from statement. When you import export data, you can use de
The following articles mainly introduce the Oracle data import tool IMP. We all know that the import table is the tool IMP used to reload the table structure and related data of the file in EXP to the Oracle database, the TABLES option is used to import TABLES.
Normal users
Oracle logic import and export tool exp/imp
Exp/imp introduction:
Exp/imp is the oldest two command line backup tools survived by oracle. It is widely used in small database dump, tablespace migration, table extraction, detection logic, and physical conflicts, we can use it as a logical backup after physical backup of a small database. It can be cross-platform and cross-version.
Working principle of exp/imp
Bcp is a command line tool used in SQL Server to import and export data. It is based on DB-Library and can efficiently import and export large batches of data in parallel. Bcp can be used to export tables or views of a database, or filter tables or views using the select from statement to export them. When importing and exporting data, you can use the default val
Original link: http://database.51cto.com/art/200701/37924.htm
BCP is a command line tool used in SQL Server to import and export data. It is based on DB-library and can efficiently import and export large batches of data in parallel. BCP can be used to export tables or views of a database, or filter tables or views using the select from statement to export them
Use of Oracle exp/imp Export Import tool-2, expimp
Iii. Problems with import tool imp
(1) The database object already exists.
Generally, tables, sequences, functions/processes, and triggers under the target data should be completely deleted before data is imported;
The database object already exists. If you use the
Redis Data Import Tool optimization Process summary backgroundDeveloped a Redis data import tool using C + +Import all table data into Redis from Oracle;Not pure data import, the original records in each Oracle need to be processe
The EXP export tool compresses the data backup in the database into a binary system file. Can be migrated between different OSThe Imp Import tool imports binary system files formed by exp into the database.I. EXPORT TOOL EXPIt has three modes:A. User mode: Export all
Use of Oracle exp/imp Export Import tool-1, expimp
The exp export tool compresses data backup in the database into a binary system file, which can be migrated between different operating systems.
The imp import tool imports binary system files generated by EXP into the datab
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