Regarding Databases Migration

Материал из WikiSchool
Перейти к: навигация, поиск

Databases migration is the process of transferring databasesbetween storage types, formats, or desktops. Companies and organizations may need to postgres to sql for a variety of reasons, including server or storage equipment replacements, maintenance or upgrades, application migration, website consolidation and knowledge center relocation.The process involves transfer of all database objects and categories: table definitions, data, indexes, constraints, views, triggers, stored procedures and functions, user accounts, roles and permissions.


Databases could be migrated manually or programmatically by utilizing special software named database migration tools. Manual process usually is made up of these steps: • export table definitions together with indexes and constraints from your source database healthy of SQL statements • convert these statements to the destination format and import for the target database • export data from the source database into an intermediate storage like comma separated values (CSV) files • transform the dataaccording on the destination format and cargo it for the target database • extract views, stored procedures/functions and triggers from 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 to the new system, resulting datahas to beverified as a way to evaluate if database was accurately migrated, is done and it has appropriate supports for applications inside the new system. It could be necessary to run both source and destination database systems simultaneously during verification to spot areas of disparity, forestall data loss or corruption. For large and complicated database projectsmigration is usually performed programmatically to achieve an automatic process flow, creating more hr from tedious tasks. It is crucial to decide on the appropriate tool to migrate the database in the required timeframe without data loss or corruption. Here's report on main features that must definitely be supplied by good quality database migration tools: • all latest variations of source and } location DBMS are supported • table definitions, indexes and constraints are converted with all necessary attributes • conversion settings has to be stored in to a profile for next use • full Unicode help • option to modify types mapping, conversion rules, etc • command line support • comprehensive documentation and 24/7 support service You'll find variety of software companies which offer dedicated tools to automate database migration. Certainly one of such companies is Intelligent Converters dedicated to database conversion, migration and synchronization since 2001. They develop number 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 https://www.convert-in.com/for additional information about Intelligent Converters as well as their software.