Відмінності між версіями «Concerning Database Migration»

Поточна версія на 22:22, 23 квітня 2017

Database migration is the procedure of transferring databasesbetween storage types, formats, or personal computers. Companies and organizations should sql to postgresql for various reasons, including server or storage equipment replacements, maintenance or upgrades, application migration, website consolidation files center relocation.The procedure involves change in all database objects and categories: table definitions, data, indexes, constraints, views, triggers, stored procedures and operations, user accounts, roles and permissions.

Databases might be migrated manually or programmatically by making use of special software named database migration tools. Manual process usually includes these steps: • export table definitions in addition to indexes and constraints from the source database in form of SQL statements • convert these statements in the destination format and import to the target database • export data in the source database into medium difficulty storage like comma separated values (CSV) files • transform the dataaccording to the destination format and cargo it to the target database • extract views, stored procedures/functions and triggers from your original database in form of SQL statements and code • convert these statements and code into the destination format and load to the target database After loading into the new system, resulting datahas to beverified in order to see whether database was accurately migrated, is complete and contains appropriate supports for applications from the new system. It can be forced to run both source and destination database systems simultaneously during verification to identify regions of disparity, forestall loss of data or corruption. For giant and complex database projectsmigration is normally performed programmatically to accomplish a mechanical process flow, liberating hours from tedious tasks. It's very important to select the appropriate tool emigrate the database within the required time frame without loss of data or corruption. This is list of main features that needs to be furnished by high quality database migration tools: • all recent types of source and } location DBMS are supported • table definitions, indexes and constraints are converted with all of necessary attributes • conversion configurations must be stored into a profile for next use • full Unicode assistance • option to modify types mapping, conversion rules, etc • command line support • comprehensive documentation and 24/7 support service You will find amount of software firms 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 great deal of conversion tool emigrate 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 information about Intelligent Converters along with their software.