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It supports MySQL, Oracle, SQL Server, PostgreSQL, IBM Db2, Firebird, Interbase, HSQLDB, H2, Apache Derby, Informix, Greenplum, SQLite, Sybase ASE, and Sybase ASA. Licensed under both open source and commercial licenses. Daffodil Replicator is a Java tool for data synchronization, data migration, and data backup between various database servers.
Data migration is the process of selecting, preparing, extracting, and transforming data and permanently transferring it from one computer storage system to another. . Additionally, the validation of migrated data for completeness and the decommissioning of legacy data storage are considered part of the entire data migrati
Data synchronization is needed to update and keep multiple copies of a set of data coherent with one another or to maintain data integrity, Figure 3. [1] For example, database replication is used to keep multiple copies of data synchronized with database servers that store data in different locations.
In some domains, a few dozen different source and target schema (proprietary data formats) may exist. An "exchange" or "interchange format" is often developed for a single domain, and then necessary routines (mappings) are written to (indirectly) transform/translate each and every source schema to each and every target schema by using the interchange format as an intermediate step.
These can take the form of any data source, such as a file system, another relational database management system (RDBMS), or a web service. This means that regular database queries can use these data sources like regular tables, and even join multiple data-sources together.
In April 2016, with the introduction of the EDB Postgres Platform, EDB's fully integrated next-generation data management platform, the database was renamed to EDB Postgres Advanced Server. [ 10 ] In 2020, EDB acquired 2ndQuadrant, [ 11 ] a global Postgres solutions and tools company based out of the UK, becoming the leader in the PostgreSQL ...
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A zone transfer uses the Transmission Control Protocol (TCP) for transport, [1] [2] and takes the form of a client–server transaction. The client requesting a zone transfer may be a secondary server requesting data from a primary server. [3] The portion of the database that is replicated is a zone.