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Schema migration tools can be said to solve versioning problems for database schemas just as version control systems solve versioning problems for source code. In practice, many schema migration tools actually rely on a textual representation of schema changes (such as files containing SQL statements) such that the version history of schema ...
The Migration Tool enables the user to upgrade a NIEM XML Schema release subset generated by the SSGT to the next release. Multiple migrations can be run to upgrade to a non-consecutive release. Multiple migrations can be run to upgrade to a non-consecutive release.
While being a physical-modeling only tool DBDesigner4 offers a comprehensive feature set including reverse engineering of MySQL databases, model-to-database synchronization, model poster printing, basic version control of schema models and a SQL query builder. [6] It is available for MS Windows, Mac OS X and Linux. [7]
Visual schema/E-R design: the ability to draw entity-relationship diagrams for the database. If missing, the following two features will also be missing; Reverse engineering - the ability to produce an ER diagram from a database, complete with foreign key relationships
This includes fully managed Postgres in the cloud, extreme high availability for Postgres, command line migration tools, Kubernetes Operator and container images, management, monitoring and optimizing of Postgres, enterprise ready Oracle migration tools and browser-based schema migration tools [4]
The database schema is the structure of a database described in a formal language supported typically by a relational database management system (RDBMS). The term " schema " refers to the organization of data as a blueprint of how the database is constructed (divided into database tables in the case of relational databases ).
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2003 Polyhedra 5.0: UNICODE, schema migration (SQL 'ALTER TABLE'). 2004 Polyhedra 6.0: 64-bit support re-introduced, for Linux and Solaris. (It previously had been available on DEC Alpha under Digital UNIX until usage of that platform generally died out.) Polyhedra64 has subsequently been ported to Windows x64.