Voir la source de About Databases Migration

Databases migration is the method of transferring databasesbetween storage types, formats, or desktops. Companies and organizations may need to [http://www.intelligent-converters.com sql to postgresql] for various reasons, including server or storage equipment replacements, maintenance or upgrades, application migration, website consolidation files center relocation.The task involves transfer of all database objects and categories: table definitions, data, indexes, constraints, views, triggers, stored procedures and processes, user accounts, roles and permissions.


Databases could be migrated manually or programmatically by making use of special software named database migration tools. Manual process usually is made up of these steps:
•	export table definitions in addition to indexes and constraints from your source database in form of SQL statements
•	convert these statements into the destination format and import to the target database
•	export data from your source database into medium difficulty storage like comma separated values (CSV) files
•	transform the dataaccording for the destination format and cargo it for the target database
•	extract views, stored procedures/functions and triggers in the original database in form of SQL statements and code
•	convert these statements and code to the destination format and cargo in to the target database
After loading in to the new system, resulting datahas to beverified so that you can decide if database was accurately migrated, is done and it has appropriate supports for applications from the new system. It might be required to run both source and destination database systems simultaneously during verification to identify aspects of disparity, forestall data loss or corruption.
For giant and complicated database projectsmigration is generally performed programmatically to realize a mechanical process flow, creating more hr from tedious tasks. It is crucial to select the appropriate tool emigrate the database in the required time period without loss of data or corruption. Here is report on main features that must definitely be given by excellent database migration tools:
•	all latest types of source and } destination DBMS are supported
•	table definitions, indexes and constraints are converted wonderful necessary attributes
•	conversion options must be stored in a profile for next use
•	full Unicode support
•	option to customize types mapping, conversion rules, etc
•	command line support
•	comprehensive documentation and 24/7 support service 
There are quantity of software businesses that offer dedicated tools to automate database migration. Among such companies is Intelligent Converters specializing in database conversion, migration and synchronization since 2001. They develop wide range of conversion tool to migrate databases between preferred database management systems like PostgreSQL, MySQL, Oracle, SQL Server, Azure SQL, Microsoft Access, FoxPro and SQLite. Visit https://www.convert-in.com/for more details about Intelligent Converters along with their software.