About Data source Migration

De LabHacker
Ir para: navegação, pesquisa

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

Databases might be migrated manually or programmatically by using special software named database migration tools. Manual process usually includes these steps: • export table definitions along with indexes and constraints through the source database in form of SQL statements • convert these statements in to the destination format and import towards the target database • export data through the source database into an intermediate storage like comma separated values (CSV) files • transform the dataaccording to the destination format and cargo it on the target database • extract views, stored procedures/functions and triggers in the original database healthy of SQL statements and code • convert these statements and code in the destination format and load in the target database After loading in 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 within the new system. It can be needed to run both source and destination database systems simultaneously during verification to distinguish areas of disparity, forestall data loss or corruption. For giant and complex database projectsmigration is normally performed programmatically to achieve an automatic process flow, liberating hours from tedious tasks. It is very important to decide on the appropriate tool to migrate the database within the required period of time without data loss or corruption. The following is report on main features that must definitely be given by excellent database migration tools: • all recent variations of source and } location DBMS are supported • table definitions, indexes and constraints are converted with all necessary attributes • conversion configurations should be stored into 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 can find number of software companies that offer dedicated tools to automate database migration. Certainly 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 https://www.convert-in.com/for more information about Intelligent Converters in addition to their software.