qazintelli (qazintelli) wrote,

About Database Migration

Databases migration is the process of transferring databasesbetween storage types, formats, or computer systems. Companies and organizations ought to database migration for a variety of reasons, including server or storage equipment replacements, maintenance or upgrades, application migration, website consolidation files center relocation.The task involves change in 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 through the 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 through the source database healthy of SQL statements
• convert these statements to the destination format and import to the target database
• export data through the source database into medium difficulty storage like comma separated values (CSV) files
• transform the dataaccording on the destination format and load it to the target database
• extract views, stored procedures/functions and triggers from your original database healthy of SQL statements and code
• convert these statements and code in to the destination format and cargo in to the target database
After loading to the new system, resulting datahas to beverified as a way to determine whether database was accurately migrated, is finished and possesses appropriate supports for applications inside the new system. It can be forced to run both source and destination database systems simultaneously during verification to recognize aspects of disparity, forestall data loss or corruption.
For big and complicated database projectsmigration is normally performed programmatically to attain an automated process flow, freeing up human resources from tedious tasks. It is very important to select the appropriate tool to migrate the database from the required time frame without loss of data or corruption. This is report on main features that must be provided by top quality database migration tools:
• all recent types of source and } location DBMS are supported
• table definitions, indexes and constraints are converted effortlessly necessary attributes
• conversion configurations must be stored into a profile for next use
• full Unicode assistance
• 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. One of such companies is Intelligent Converters focusing on database conversion, migration and synchronization since 2001. They develop wide range of conversion tool emigrate databases between all popular database management systems like PostgreSQL, MySQL, Oracle, SQL Server, Azure SQL, Microsoft Access, FoxPro and SQLite. Visit more info about Intelligent Converters in addition to their software.

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